The BlackBerry PlayBook contains very advanced and recent computer science, of course some parts of the PlayBook are from previous technologies, for example it's 1GHZ Dual-Core processor has been seen used in various laptops prior to 2011. Many of the BlackBerry PlayBooks technologies have been previously seen in the Apple iPad for example, video conferencing, web browsing, calenders, organization and syncing capabilities, almost all of the technologies have been improved on the BlackBerry Playbook though; the reason being to target more customers. The PlayBook provides many previous technologies and more.
The PlayBook will definitely be bringing plenty of competition to Computer Sciences. Computer programmers will now be faced with new technologies that will be hard to beat in any new tablet that they attempt to create. Technology is always changing and it is brilliant ideas like tablet computers that always lead to more and more discoveries. The most likely outcome of the PlayBook is that Apple will attempt to create another newer version of the iPad that has even more advanced technologies than the PlayBook; I predict that their will be a lot of competition within the Computer Sciences field.