The iPhone may not have been on show at Mobile World Congress. But as ever, its influence was felt across the show floor. No matter what the media-trained suits say, Apple’s blower has completely redefined what a mobile phone can do. Not because it was the first smartphone, but because of its all round, easy-to-use style.
At last though, after three years, the competition is streaking ahead. So what can the iPhone learn ahead of its next-gen release in June? Here’s 10 things we think Steve and crew must take on board now.
We just grabbed some hang time with 
