Supplying phones to emerging markets and connecting world 's poor seen as important theme at mobile event . Comment: Mobile World Congress also raised debate over future roles mobiles will play in our lives .
Supplying phones to emerging markets and connecting world 's poor seen as important theme at mobile event . Mega powerful camera phones , projector phones and super-fast processors among head-turning tech . Mobile World Congress also raised debate over future roles mobiles will play in our lives .