Over the years Lowe made no secret of his disdain for publicly held ad firms.

FORBES: Creative Discomfort

One potential candidate is ValueClick, a publicly traded online marketing company that provides demographically targeted ad space to about 6, 000 advertisers and advertising agencies.

FORBES: Magazine Article

One potential candidate is ValueClick (nasdaq: VCLK - news - people ), a publicly traded online marketing company that provides demographically targeted ad space to about 6, 000 advertisers and advertising agencies.

FORBES: Google Takes DoubleClick

If a user uploads a photo and sets it as publicly viewable, that picture could end up in an ad for Google.

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