I have confronted several issues with the chromebook and the concern with it is that in my chromebook the power supply does not gets energized regularly, sometimes the Wireless bluetooth connection is also not appropriate. Sometimes even while having a talk with the web camera does not discover anything. The same is the concern with the GPS. Since java is not protected in it any type of java plug-ins that are necessary to have fun with some excellent activities cannot be done. so that is the concern.