The Tube's normally a good place to spot early adopters of new technology. The guy pictured above on the Central Line was reading The Times (which looked remarkably sharp even from where I was sitting). The man yesterday had his propped up in its holder and was typing an email.
I'll probably see loads of them now that I've broken my duck. Gradually they'll become common place. But for the moment, I wonder if more people are carrying them around and just worried about having them on display while commuting? Have you seen anyone using one on the Tube or any other public transport?