Publicis agencies Starcom MediaVest and ZenithOptimedia each shed more than 15% of their media billings last year, according to Nielsen, with MediaCom retaining its status as the number one media agency for the seventh year in a row. Full story.
Gallery: Media Week introduces the UK's leading media agency bosses, following the release this week of Nielsen's list of top 20 agencies.
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The industry is splitting into agencies that make marketing collateral and those creating culture, says Adam & Eve/DDB's David Golding.
Starting next year, YouTube will stop allowing the 30-second unskippable ad and will focus instead on shorter formats.