Business news for Fri, 28 Dec 2007 & with words mobile+phone. 4 news.

The Nielsen Company announced some of the findings of an in-depth study, "Kids on the Go: Mobile Usage by U.S. Teens and Tweens," on the mobile media and cross media behavior of U.S. "tweens" (ages 8-12), finding that 5% of tweens access the Internet over their phone each month.

"Japan's leading mobile phone operator NTT DoCoMo Inc., trying to fight off resurgent competitors, will tie up with US search-engine giant Google Inc. to upgrade its services…"

Supermarket giant Tesco's mobile phone arm could be put out of business under network shake-up plans from telecoms regulator Ofcom.

Ofcom is to clamp down on “hidden” charges levied by mobile phone and broadband companies amid fears that consumers are being misled.