PDA’s and Cell Phones and the Fact Wireless carriers are trying to implement and carry more innovations upon their networks to Increase subscriber base.
The fact consumer product cycles are quite short lived and ever more powerful combination cell phone and PDA email etc. devices are constantly improving and leap-frogging ahead in terms of power performance and falling price due to economies of scale and the fact superior electronics technologies become cheaper to produce as time passes.

As well as they being one of the now top tier companies, a lot of other companies, have cause RIM a lot of grief with law suits , and rivalries , the fact that RIM has out classed many of its competitors, have likewise tried to find patentable issues , to sue them over , since RIM has a lot of the US Gov’t Sector , an Enviable market due to the fact blackberry can fill that need rather well, has made them an enviable target.

Due to RIM’s security concerns of corporate espionage , by patent trolls , and others they are forced to take very aggressive means of protecting their IP , and Licensing agreements with their parties. As well as to mitigate the claims that their trade secrets are to alike with their competitors patents.

The fact more and more intergraded services are being offered by cellular providers as well , as other firms leaping innovations like the iPhone by apple which offer a very flexible applications platform which directly competes with RIM’s devices , and likewise they too have to up the ante .