"f you like to use your iPhone, iPad or laptop in your classroom because it allows you to effortlessly navigate the learning space, one of the greatest frustrations can be having to constrain yourself to the vicinity of the projector cable every time you want to share your screen with the class.
I have seen this as a common practice even in open plan learning environments, which instantly does away with it’s greatest feature by forcing the teacher to move back to the front of the room.
Whilst you can get wireless projectors at great expense, have you ever thought of using Apple’s $99 Apple TV? I hadn’t until recently, but since using it I could never go back to a physical projector/tv connection for the following 4 reasons:
Via John Evans, Jonathan Rattray Clark