MPs have suggested that Google's tax avoidance row is harming the morale of its 4,000 UK employees and that it will undermine staff retention.
Interpublic Group has named Philippe Krakowsky as the chairman of IPG Mediabrands.
Women's magazines took a hammering as six-monthly circulation figures showed sales of weekly titles fell 11.4 per cent year on year and monthlies including Vogue and Glamour saw significant falls.
The UK's most actively purchased magazines and digital editions have been revealed for the second half of 2015.
Johnston Press has said it is in "late stage discussions" with Independent Print, the company owned by the Lebedevs, over the sale of i newspaper for £24 million.
Publicis Groupe saw a 4.4 per cent decline in revenue in the UK in 2015, according to its full year results, released this morning.
Twitter has reported a $521.03 million (£358.65 million) net loss for trading in 2015 and, for the first time, no growth in its user numbers.
Commercial radio's content and reach have helped its listener numbers overtake those of the BBC.
Manchester United is struggling to get near the summit of the Premier League table but it has come up with a potentially winning commercial partnership with Rupert Murdoch's 21st Century Fox.
Agencies and advertisers should support these valuable brands and push for more data from the ABC.
The most-awarded work in 2015 made use of tech and data - and brought fame to brands too, Gideon Spanier writes.
What a palaver. Google executives are grilled by MPs to justify why the world's most valuable company pays a lower percentage of tax than just about anyone in the UK, a few weeks after its £130 million payment - meant to recast them as decent citizens - backfired spectacularly.
No-one likes Twitter at the moment. Writing this ahead of Twitter's annual results, which were due late on Wednesday, it is clear that there are problems, with an exodus of senior US talent and the share price hitting a record low this week.
Bigballs Media has appointed the Holler co-founder James Kirkham to head Copa90, the high-profile football channel on YouTube.
Ogilvy's Gerry Human moves to a global role, Virgin Media ad banned, and more advertising and media highlights this week.
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