PLEASE HELP!! i have an ipad 2 which i generally just use as a giant ebook reader. The other night though when i went to use it it started highligting text, flipping pages, clicking apps and switching pages at the homescreen on its own. my ios is 7.1.1 also please note that there is a slight crack at the bottom of the screen. Crack has been there for months and problem just happened two nights ago.