User retention for Secret is absurdly high: Up to 90% come back http://t.co/Zs7iOPXztU

User retention for Secret is absurdly high: Up to 90% come back http://t.co/Zs7iOPXztU

— Avvocato Kobayashi (@ivan_marino) April 16, 2014

from Twitter http://ift.tt/1hhSzxW



April 16, 2014 at 07:22AM

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