Another personal obsession:Marketing Day: Biz Stone returns to Twitter, Facebook admits measurement mistakes & more

Here's our recap of what happened in online marketing today, as reported on Marketing Land and other places across the web.

Please visit Marketing Land for the full article.

from Marketing Land - Internet Marketing News, Strategies & Tips http://marketingland.com/marketing-day-biz-stone-returns-twitter-facebook-admits-measurement-mistakes-214920
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