Drawbridge aims to solve ‘cross-device’ ad targeting problems

US startup decloaks from stealth mode armed with funding from Sequoia Capital and Kleiner Perkins. By Stuart Dredge

Facebook likely to be the fourth richest flotation in stock market history

Despite almost certain IPO success, Facebook has to start making money from mobile phone advertising soon

Student publishes a new Shakespeare text

We're not talking First Folio, mind. This is the world of 2b r nt 2b - but with the highest of motives

Ashton Kutcher in yet another controversy over ‘racist’ ad campaign

The Popchips brand snack pulled part of its campaign after the Two and a Half Men star appears as Indian man in brownface

ASA forces Apple to withdraw claims new iPad has ‘4G capability’

Ban of '4G' label is due to lack of mobile services compatible with the device in UK, Advertising Standards Authority says. By Charles Arthur

Spoiling Prometheus: is the PR campaign giving away too much?

Ben Child: Ads, hashtags, trailers for trailers … with all the marketing gimmicks for Ridley Scott's sci-fi epic, I'm starting to think I can already predict the entire storyline

Henwood and Rutherford join PPC board

Executives behind 4oD, Pottermore and Unilever join board of Picture Production Company. By Mark Sweney

Bond causes a stir with taste for beer in Skyfall

Daniel Craig defends James Bond's beer-sipping in the next film, following a product placement deal with Dutch brewer Heineken. He also says he asked Sam Mendes to direct the project

How will the new law on cookies affect internet browsing?

Websites track visitors' activity, but will legal changes to users' consent make a difference to the Guardian or other sites?

Google posts strong first-quarter results and announces two-for-one stock split

Search giant's first-quarter earnings up 60% to $2.89bn year-on-year, but cost-per-click falls for second quarter in a row

Who would want to live in the Google Glass house?

James Westcott: The augmented reality of Google's 'Project Glass' seems to miss the point about what makes fiddling with a phone addictive

Ludicrous, hysterical, brilliant – the top Republican campaign adverts

Ana Marie Cox: Obamaville is the latest incredible ad in a presidential campaign season that has been notable for its negativity

24 hours in apps media disruption

How mobile is sparking innovation in publishing, music, television, games and beyond. By Stuart Dredge

UK web advertising spend to hit £5bn

Facebook ad revenue expected to increase by 84% as mobile and online video income also soars. By Mark Sweney

007: licensed to place product

The new James Bond film, Skyfall, will see the secret agent turning his back on martinis in favour of a well-known Dutch beer