The BlackBerry PlayBook may be noticably lacking a calendar app of its own (at least for now), but it looks like RIM could soon have more scheduling options than ever -- it's just acquired fellow Canadian company Tungle, which specializes in syncing your calendar across platforms. At the moment, that's done with either the company's web application, or its iOS or BlackBerry app (an Android version has also been promised), which also let you share your calendar with folks inside or outside your company and, of course, tie it into your various social networks -- so yo
