@mashable tweets related to: Justin Timberlake, Instagram, Spurt, Photos

Justin Timberlake joined Instagram on Grammy day, attracting 100,000 followers as of last count. Madonna and Kelly Clarkson also upped their presences.
Pete Cashmore Twitter

Justin Timberlake Joins Instagram With Spurt of Intimate Photos http://t.co/q9OANGIk

Pete Cashmore Twitter

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