Regardless, "it's likely to be a very memorable ad, whether it is widely liked or not, and memorability is a prerequisite for an effective ad, " he says, drawing on knowledge of the company's past creative.

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The company also recently dealt with the public relations fallout from a Super Bowl ad that was widely panned for being insensitive.

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Dislodging Craigslist from its place atop the ad market would be hard even without litigation because classified advertising is a classic example of network effects: Craigslist gets so many listings because people know it is the leading site, so their ad will be widely seen.

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How this tiny dot in the middle of the South Pacific came to be inhabited is the subject of some debate, but the most widely accepted theory is that Polynesian seafarers arrived from the west around 400 AD, perhaps from their nearest neighbour, the Pitcairn Islands.

BBC: Easter Island��s greatest festival

They were still a single-digit percentage of text search ad clicks, about 6%, but Google only rolled them out widely in October.

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However, the data from PrivacyChoice show that several dozen widely used apps are using unapproved companies, most notably Google, the biggest online ad company.

WSJ: Selling You on Facebook

Armstrong, who recently said he sort-of, perhaps, possibly might be interested in buying Time Inc. even though the AOL- Time Warner merger of 13 years ago was widely considered one of the worst in business history, opened the advertising technology conference ad:tech in San Francisco today with a packed keynote address.

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The message: Joyner, host of the nation's most widely syndicated radio show targeted to African-Americans, was willing to work for the company's ad money.

FORBES: Spin Game