Leah Culver’s ad-supported laptop

A new Mac Book Pro is on my Christmas list but, sigh, it's just not very likely to materialise. Programmer Leah Culver decided to take things into her own hands and fund her new 15" Mac Book Pro by selling laser-etched ad space on the lid for $150 per square inch. What a cracking idea, dammit!

Tories target younger voters

8am: A viral ad campaign featuring distinctly un-Tory language will be part of David Cameron's campaign to reach out to youth. By Steve Busfield.

BBC moves closer to online ads

11.15am: Controversial proposals to put advertising on the BBC's international websites have been approved by senior management. By Jemima Kiss.

WPP buys into US web ad agency

3.15pm: WPP has taken a stake in Los Angeles-based Spot Runner, the first internet-based advertising agency. By Fiona Walsh.

Google muscling in on radio ads?

This was touched on when Google announced another trial of print ads on Monday, but the search behemoth will also launch a trial of radio ads by the end of the year that could help it muscle in on the $20 billion radio ads market in the US.

TV not losing out to Google, say analysts

8am: Google's seemingly inexorable rise is not the primary cause of the TV advertising problems at ITV or Channel 4, according to senior media figures. By Mark Sweney.