Josh Olin

Heather Fletcher is senior content editor with Target Marketing.

It's Thursday. Search engine marketing just changed again. "In the first half of this year, tweets will start to be visible in Google's search results as soon as they're posted," writes Bloomberg's Sarah Frier on Feb. 4, "thanks to a deal giving the Web company access to Twitter's firehose, the stream of data generated by the microblogging service's 284 million users."

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