Hello guys.i want to ask you something about Windows phone,si ce i'm a new user.what is the difference between developer preview and consumer preview of wp 8.1?i know what means dev preview(can create apps,etc) and consumer(for basic users),but is there any UI difference and stuff?if i'll install dev preview,Will i be able to install consumer preview?(heard some roumors that you can').sorry if my question look dumb,but as i said i'm new here.thank you