WPP merges 24/7 into Xaxis to try to steal a march in the online media marketplace

WPP is merging its 24/7 Real Media business, which represents online publishers, with its own invention, Xaxis, which buys ad impressions in bulk and then, supposedly, targets them at the right audience. At least that’s what I think it does. The move seems intended to position the new unit, called Xaxis, as a one-stop marketplace ...