RIM updates PlayBook software, but big gaps remain

Image via WikipediaRIM updates PlayBook software, but big gaps remainResearch in Motion has a new software update available for BlackBerry PlayBook devices that adds in-app purchase support, improves some existing apps, such as Facebook, and can even give a boost to music playback. Version 1.0.5 of the tablet’s operating system can be downloaded and installed on existing PlayBooks today;