It seems M&A in the mobile marketing space are like London buses - you wait for ages, then two come along at once. No sooner had mobile interactivity vendor Upstream announced it’s raised €11 million this morning, now mobile agency Bluestar Mobile has confirmed it’s selling to Germany’s YOC Group.

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Bluestar has built mobile websites for Sun Online, Mirror.co.uk and Times Online, plus British Airways’ London city guide app and marketing for Motorola (NYSE: MOT) amongst its client work.

Berlin-based Yoc - which already does mobile shopping coupons, consumer research, marketing and content production - says it’s doing the acquisition to build up its UK presence