Sony looks ahead after tricky first quarter

Midday: Strong sales of flat-screen TVs and the success of its film division take the edge off Sony's problems in rolling out the PlayStation 3. By Justin McCurry in Tokyo.

Yahoo! wins Viacom ad deal

5.45pm: Yahoo! has signed a three-year deal with Viacom to provide ads to more than 170 websites. By Jemima Kiss and Mark Sweney.

Google moves into TV ad sales

8am: Google is to enter the TV advertising sales market through a deal with US satellite pay-TV company EchoStar. By Mark Sweney.

Google extends UK online ad lead

10am: Google has increased its grip on the UK online ad market, claiming 43% of the record £2bn spent last year. By Mark Sweney.

Napster scales back UK office

1.45pm: Napster is cutting back its UK operation in a move that will see its UK vice-president and general manager, Leanne Sharman, leave the company. By Mark Sweney.

NTL pushes Virgin Media rebrand

5pm: NTL:Telewest will this weekend launch the first TV ads to promote its £20m rebrand as Virgin Media. By Mark Sweney.