Laurent Cordier of Google says that retargeting can raise click-through rates five - or tenfold.

谷歌公司的洛朗·科迪尔(Laurent Cordier)说，“访客找回”技术可以使点击率提高五到十倍。

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Allowing citizens to raise problems at the click of a mouse is all very well, but if the capacity or structure isn't in place to solve the problem quickly, it really doesn't take any of us that much further forward.

BBC: Lines painted in early Spring...