interesting global research on mobile phones from a US university.

57% of all users say they’re willing to spend no more than $5 per month on mobile data services - including text messages, and the most important factor in choosing a mobile service is cheap voice calls. That’s backed up by another piece of research this week that says it’s cheap voice plans, not fast data driving 3G.

More than a third of users worldwide have cameraphones, up from 21% last year, and 59% have color screens, up from 44%. The cameraphone figures aren’t surprising - there was a research report out last Friday that said two-thirds of all phones sold this year would have cameras.