In Windows 8, when you close an app, it is terminated. With the keyboard, you can switch from app to app by using the traditional ALT-TAB. Without the keyboard, the gestures allow you do to something similar, although a bit slower. If you really want to be sure, just fire the Task Manager and see which apps are ON. If you leave the tablet ON, but doing nothing special, the CPU runs at about 0.3% to 0.5%. The device feels very sturdy and heavy, which is what you want from a vertical scanner. If you are nervous about it getting knocked over, it comes with optional braces with a slightly sticky bottom to hold it down. . Local Software Retailers - Taxes, Games, Antivirus, Education. AutoCAD for MAC. Hi, i read your blog occasionally and i own a similar one and i was just wondering if you get a lot of spam comments? If so how do you prevent it, any plugin or anything you can recommend? I get so much lately it's driving me insane so any help is very much appreciated. Will a Mac last long enough to make the higher initial cost worth it? Maybe. Depends a lot on your use. I think it is very similar to a car. The same car will last much longer for the old lady driving to church on Sundays vs. a teenager. .