I’d like to add to this people in professional oriented facebook groups
My blog post about twitter’s spammy messages
Very Neat Video! 2011 Told Through Twitter - Year in Review (by jeremiahjw)

Shane Snow is a New York-based tech journalist and co-founder of Contently.com, a marketplace for brand publishers and journalists. In 2010, New York City startup, Birchbox launched a blog about beauty products before it had any customers. The beauty sample delivery service – and its blog …
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Pleix Piu (by Modern242)