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David Cameron and Gordon Brown are joined by Lord Ashcroft and George Osborne in Media Week's gallery of the best spoof election posters from MyDavidCameron and MyLabourPosters
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Several more major brands, including Vodafone, Sky, and a trio of the UK's leading banks, have added their names to the list of those considering suspending their advertising on Google.
In October, lingerie retailer Cosabella replaced its digital agency with an AI platform named "Albert". Since then it has more than tripled its ROI and increased its customer base by 30%.