Mumbrella live blog: Thursday, March 27

This is Mumbrella’s live blog, a rolling diary of all you need to know in media and marketing. Refresh the page for more updates.

Top stories:

• Video hangout this afternoon with Screen Australia CEO Graeme Mason
• Lachlan Murdoch made co-chairman of News Corp and 21st Century Fox, steps down from Ten
• Sir John Hegarty tells marketers: “Marketing is letting us down”
• Google Glass marketing director says privacy is biggest challenge
• PETA calls on Samsung to drop Sydney escapee water buffaloes from ad
• TV ratings: The Block and My Kitchen Rules build as Puberty Blues gets time shift boost

3:02pm – There’s a lot of debate happening in the comment thread on the story about PETA urging Samsung to re-shoot its commercial without buffaloes.

DS said: “What absolute garbage. The animals were hardly being mistreated. So what PETA is saying is that all animals should never appear in TV, ads or movies? As for the comment “(water buffalo) spend most of their time submerged in tropical Asian waters. Forcing them into confusing and stressful situations is not only cruel but also endangers public safety” – what about elephants at Taronga zoo? Polar bears at Sea World? Horses on a movie set? Dogs sniffing for drugs at airports? These aren’t their natural habitats either, but to suggest there’s cruelty involved is plain stupid. Talk about trying to flog your brand on a non-event!”