Mobile and the news media’s imploding business model

Michael Wolff: Smartphones will soon be the primary news source for most Americans. That's if anyone can still make money by reporting

The shocking thing about the Mail Online’s sidebar of shame

Andrew Brown: The Mail's website appropriates the holier-than-thou prurience of the defunct News of the World, but to what financial end?

Mobile ad spend soars to £203m

App stores and tablets helped drive 157% year-on-year growth in 2011, according to IAB/PricewaterhouseCoopers report. By Mark Sweney

Rosie Huntington-Whiteley: the face of 2012

With the M&S and Burberry accounts already in the bag, an LA pad and a Hollywood boyfriend, the girl who grew up on a Devon farm has come a long way, says Jess Cartner-Morley

Why Wes Anderson’s car ads are sellouts

Chris Michael: Fellini, Lynch and Bergman have all made adverts, so why shouldn't Anderson? Maybe because he's ended up making The Royal Tenenbaums with none of the plot or pathos

Paranormal Activity 3 ads slapped with pre-watershed ban

ASA received 29 complaints about campaign even though it was broadcast after 7.30pm to protect younger viewers. By Mark Sweney

Does it help the homeless to turn them into Wi-Fi hotspots?

John Bird: The idea of homeless people as hotspots is unpalatable until you consider the opportunity for them to become content providers

Chocolate: all round your Facebook

Once, when a chocolate bar was discontinued, that was the end; nowadays it's the start of a social media campaign to bring it back. What would you like to see revived?

Why bloggers need to be upfront about sponsored content

SE Smith: It's a good thing that more bloggers manage to turn their writing into a business, but their readers shouldn't be taken for granted

WTF, QR Codes?

Craig Villamor and Brad Frost: Most people have no idea what QR codes are, and yet, as our Tumblr project shows, advertisers are putting them everywhere