"Well, speaking as a person who bought a PSP, the problem was that I always thought - because it was a better screen than iPod's - that I'd be doing more with it. But it was such a bollocking useless waste of space; just getting stuff on it was ridiculous,"

"PSPgo's a lovely device," he added, "really smart - but our senior VP bought one the day it came out and has a great story, because he ended up on some customer support line just trying to do basic stuff. He had to re-download his software, do an immediate firmware update, and that's your user experience.

"Sony just hasn't got it right. Stuff like that will make people leave it alone."