5.0 Important of technologies for the Google
5.1 Page Rank technology
It is easy to find from the history of Google Company ，Although now Google's business is Multifarious ，but only the Search engine is magic weapon of google company during the grow , The search engine business support the entire Google empire. However, Page Rank is one of the search engine core，"keyword", search of innovation, propose the importance of the page analysis techniques "page ranking". The most important pages priority presented to the user
Benefit for google company: Page Rank is the most basic and core in the google search algorithm , result the google company became the most famous company in the world , by the network look as a whole pages links and voting ideological construct the initial ranking system， cause Google beat Yahoo search , achievements today's standing ，This is the power of the patent , did not have Gunpowder, do not move guns and knives , Page Rank achievement google company to become one of the world's greatest empire of IT. Internet market search firm said :" In April 2008 ,the share of google has increase slightly in the search market of US, the share of Yahoo and Microsoft still decrease , Google in the U.S. Internet search market share from 67.25%( in March) rose to 67.9 percent (in April)
Page rank Important in google
It was originally introduced only for the number of links. So, some webmaster advantage of the loophole, Use of link farms and visitors book a large number of poor external link easily achieved its purpose，google aware of this problem，then, google Integrated link quality analysis in the system And found cheating website blocked, so until now ,the page rank is quite difficult to be manipulated by a ranking factor. Thereby not only effectively combat this practice. In addition to considering the number of links of the page, the Page Rank also takes into account the importance of the linked pages, In the method, it is not the literature itself classified directory, But from the literature to identify the "keyword", and then create the inverted index. Users retrieve from Yahoo to Google's search of the man-machine dialogue way, achieve a qualitative leap in the concept of search engine. The first generation of search engine technology can not solve new problems. Google company through the page rank technological progress to meet the needs of users, thus creating a Google search engine. Google search speeds are very fast, under normal circumstances can be completed within 0.5 seconds. Grab the 4.28 billion Web pages and 880 million picture in an instant, for example google can be used more than hundred languages, google can be used more than 100 languages and personalized search, resulting in increased drastically. Even many people love it that like they love religious beliefs. The page rank of the world's leading technology key technology and redundant file filtering technology, unmatched by other companies. Strong business skills to make Google stand out , As Business Week to the evaluation of the Google brand ：“the new oxford Dictionary included Google as a verb, which confirms the fear of Google's rivals"，for a large number of network users to say, Google is synonymous with search ，page rank technology is one of Google's core technology.
5.2 You Tube technology
Since the Google company high-profile high-priced acquisition. YouTube has further become an increasingly important part of modern life, technology enthusiasts are no longer satisfied only through sharing and viewing video content on YouTube in the computer network, but penetrate into the industry, as people an indispensable part of life, now we can say, you tube everywhere.
Benefit for google company
According to the ComScore released the 2011 global video site ranking, you Tube reelected first, 43.8% market share topped the list ,the second famous cool is 2.3% ,you Tube is higher than cool 41,5%,The third is 1.8% of VEVO, followed by is 1.3% of Facebook , you Tube is the most successful within the industry's most powerful influence is quite broad-line video service provider,2006, YouTube has 40 million short films, attracted 600 million visitors every day; in just 15 months after the establishment has surpassed competitors such as MSN Video and Google Video, visit the site for most of this century. Day viewing more than two billion videos in YouTube, and was described as: "More than three major of U.S television channels during prime-time viewing for about the total number of double" the Google company of the total number of users of global increased by 20% , Users in the U.S. increased by 18%. Time to stay in the Google website group increased by 113 percent, all users access to the assets page traffic increased by 56%, the page flow is 680 million, an increase of 98% from a year earlier, the contribution of YouTube for Google's stock is G-mail 10 times
You Tube Important in the google
September 12, according to foreign media report , analyst William Morrison of Internet JMP Securities, for the ComScore company about access data of the google website group to analyze , Derive some surprising discoveries, users of Google one-third of the world contributed by YouTube，Morrison found that the indicators of user access time of the assets of all Google sites, YouTube site accounted for 28%. From the user to see on YouTube contributed 35% of the world's users of the Google company.
YouTube open the station in 2005, provides a simple way to let computer users to upload videos. Virtue its simple interface, making YouTube allows any video uploaded to the network within a few minutes to make audiences around the world to watch, so that Internet users receive information from the traditional into the publisher , users can set up their own private theater, film release station, news stations, to replace the traditional media. Everyone can create their own news channels, or upload family life video. In the meantime, more and more people to enjoy online video, so that TV viewing is gradually transferred to ratings of google internet giant Google has long been eyeing the TV. The ambitious prepared with powerful search capabilities, all of the video are integrated into the front of the user. Google the beginning of this year on YouTube to make an effort for the next 50 years or 100 TV layout. April 7, 2012 YouTube to spend up to 100 million U.S. dollars commissioned third-party production of low-cost content and set up more than 20 channels, pioneering and professional segments of the original video. April 12, YouTube live channel formally launched，Direct broadcast live TV broadcast of partners, at the same time to the user open broadcast platform. After the users to subscribe to the program receive program updates to remind. Compared to the Web2.0 era of online video, this channel of live video is a snap to television broadcasting. Future, after Google in the present layout, television can add YouTube as a broadcast television operators. You Tube directly provide TV video to the living TV, and cable operators face to face to compete the user. And YouTube has vast amounts of user generated content (UGC), this time to spend one hundred million U.S. dollars to start making professional content , Open broadcast platform to partners and users. This means that the video reporters can easily set up a live television on YouTube. In any case, with the rapid growth of broadband, with the popularity of intelligent terminals, with the development of the Internet, YouTube will provide ubiquitous video to the whole world on the network, television stations, the meaning of existence of operators are blurred, success is not only YouTube would google enterprise.
5.3 Google maps technology
The world of destination marketing organizations (DMO) should pay close attention to Google's trends. Google through the development and integration of technology, applied to the local tourism enterprises, and save a lot of work (and money) for many organizations. DMO do not try to develop a fully independent directory and business listings, should be to integrate this type of data transmitted to Google, the aim is to create richer, more interesting, more relevant travel experience. PhoCusWright research shows that most of the travel search by Google maps.
Benefit for google company
Some amazing Google Maps data:
2337 - Programmable Web listed on the polymerization using the Google API applications (mashups) the number of 15% - proportion of converged applications using the Google Maps API, which has become the highest utilization rate of AP is in the Programmable Web on.
25000 - Google Maps API daily load does not exceed this figure, a maximum of 90 consecutive days do not incur any costs.
800-1500 ft (243.84 to 457.2 meters) - Google majority of high-definition city photos are taken in this height range.
Google maps Important in the google
Google's mission is to organize the world's information, google maps to ensure the accessibility and usefulness of this information in the world. Google's focus is placed very correct. This area may seem small, but imagine the development of data sets needed by google maps. The company will own Google Local Search and a list of commercial partners index to combine data plus geotagging (presumably joined the street data and its API), and then drawn into the map for major cities around the world recommended travel routes. Google maps in full compliance with Google's mission. The interface looks simple, temporary limited functionality, but its destination tourism potential is enormous. Imagine all the local businesses, such as a city guided tours, guided tours, bike riding group, etc. can (and will) use this program, will add their information to Google Local Search, in order to appear in the list, Google for local businesses, especially in the destination tours and activities market has opened up a very bright future.
6.0 Challenges face while implementing the technology
6.1 Page rank technology's challenge
According to the author of a paper submitted to the Special Interest Group for Information Retrieval, the more the number of visits a Web page, browse a Web page, the longer, then the importance of this page will be higher. This approach aims to allow the majority of Internet users "vote" on the importance of web pages, which is more in tune with the concept of Web 2.0. Google's PageRank page rank called link analysis algorithm to calculate the relative importance of the page. According to Google, said: "We think that the important pages receive a higher PageRank page rank score, the probability that appears in the top of the search results page will be relatively large, we have adopted a practical approach to improve search quality and the development of practical products use the Internet on the wisdom of the decision the importance of the page. "For Google, Yahoo and Microsoft, the measure of Internet search results is very important, they can take to improve the orientation of the ads. However, according to Microsoft and its partners, said: "the Page Rank Page Rank is a failure, because it allows people to artificially increase the importance of web pages. Adobe.com site's Page Rank Page Rank score is very high, because millions of pages on the links pointing to this site, the purpose of these pages, but is easy to download Acrobat Reader and Flash Player. According to Microsoft and its partners, said: "In fact you do not often visit such sites, and its importance should not be higher users to spend more time browsing the site, such as MySpace.com and Facebook.com, while Microsoft the new method is more advanced, because it is based on user browsing behavior. Internet browser can record the user's browsing behavior, and the data sent to the server. BrowseRank be able to more accurately represent the users of the navigation process, therefore, the calculation pages importance is even more useful.
6.2 You Tube technology's challenge
November 17, according to foreign media reports, YouTube's dominance in the global video site is likely to falter. Recently, the rapid development of a video site supported by the two media giants News Corp. and NBC television, and a great challenge to the YouTube trend.
It is learned that the name of this site Hulu, specializing in television programs and movies online business. According to market forecasts to 2009, the site advertising revenue will be with Google's YouTube site is essentially flat. This also means that, even with Google, the traditional media can itself create the online advertising market share, successful examples of Apple's iTunes music, this business had been largely accounted for the global digital music market dominance.
The user in terms of size, between Hulu and YouTube, there are still significant gaps. According to market research firm Nielsen data, the number of users of YouTube across the United States in September of this year to 83 million, while Hulu is only 6 million. In order to expand the market share of online advertising, Google two years ago to $ 1.65 billion acquisition of the world's largest online video site YouTube, but it seems that Google's acquisition did not achieve the expected results. According to media research firm Screen Digest data, although the number of users with YouTube gap huge, but Hulu's advertising revenue growth rate is far more than his opponent. YouTube advertising revenue in the U.S. market in 2008 for $ 100 million, while Hulu will reach $ 70 million. In 2009, the two sites in the U.S. market's advertising revenue will reach $ 180 million. Currently, YouTube advertising revenue in the U.S. market accounted for 50 percent of its global market, while Hulu has not yet begun to conduct overseas operations. Screen Digest analyst Arash Amel: "YouTube is now the situation is very difficult most of the video content they publish is no value or illegal in the next year and a half, we will see this Google deal has value. "person in charge of YouTube's advertising business, Matthew Liu also said:" our website is still in its infancy, our situation also falls far short of previous expectations. "One important reason is, maybe you have fatigued the name, but the answer is A while back, just listed on Facebook. Once Facebook has acquired such Viddy or Socialcam, video sharing application in the mobile-side hot, you can have a tremendous impact on YouTube's business. In fact, in 2011 in a single year hit a new high site traffic, a single month of 2012 hit a new high video views, YouTube video views per month began to decline, and that with the rise of the mobile-end video-sharing applications are not unrelated . We all know that YouTube is how started: "bottom-up" video-sharing strategy, namely the grassroots to provide users with a variety of original video, with vitality and personal characteristics of the video is in others, such as the BBC, NBC, specialized relying on traditional TV video site is not visible. However, recently, YouTube is preparing a large-scale transformation: This is the first transition YouTube undoubtedly facing a new challenge?
6.3 Google maps technology' challenge
Foreign media read write web website reported, Foursquare announced (subject to over the wall) claimed that the the Foursquare decision to evacuate the Google Maps, but using Map Box the Open Street Maps data in map form to show. At present, Foursquare map is now in use Map Box Street. Foursquare abandon Google Maps is Google's decision to start in October, charged by Google Maps API, so Foursquare was an unwise move. On the bulletin said, Foursquare like the open-source data, but also willing to try. Recently, many companies are considering to replace the Google Maps. Foursquare Bowen mentioned and found a lot of open source data of the enterprise: Street Easy, Nestoria, Fubra. However, after investigation and study and found that the most suitable Open Street Maps and Map Box, which replaced the Google Map. Google's decision to charge the API costs are not a rash decision, especially considering the importance of Foursquare. But these have become a reality, and Google to determine the decision-making of Programmable Web spokesman John Musser said this more favorable changes in the ecosystem, because both services need a sustainable business model. Currently, Foursquare and Google competitors. If you are using Foursquare online inquiry address, you will find that Google has disappeared. In addition, Foursquare is a supporter of open source software. Not only does it support the construction of Open Street Map, also contribute to the open source Javascript library to improve the map, and Foursquare data is now independent from Google.
CONCLUSION
In only a short period of time, Google has become a dominant player in search technology and a formidable threat to many other technology firms in various industry sectors including advertising, standard software, web application development, and telecommunication networks.
Behind the scenes, the use of information technology has been strategic and critical for Google’s search engine success and other Google products and services. A variety of advanced concepts in computer science have been applied to many of Google’s products and services ranging from topics in distributed systems, machine learning, software architecture, and communications

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