As if its commanding role in online ads isn't enough, Google is driving further into print ads with a new test of a system to let advertisers bid on space in 50 newspapers. Although the search giant's print efforts to date haven't produced much, it's hoping fourth time is a charm.

In his article about the test, my colleague Jon Fine sums up Google's enviable position:

The move cements Google's central position within the media universe: a ubiquitous entity with which all major media players simultaneously partner and compete.
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