One of the biggest advantages with the BlackBerry PlayBook tablet is the inherent security features that come integrated with it. However, it is this that also runs the risk of becoming its biggest bane, since this makes the PlayBook heavily reliant on a BlackBerry phone. In fact, the operations of the PlayBook are so intertwined with the phone counterpart that the tablet can … [Read more...] about PlayBook to include calendar, e-mail and contact apps in a future update