> Google obviously uses gmail, and just as clearly never used any of the social products they released Employees use for example Gmail and Google Docs, and it'

> Google obviously uses gmail, and just as clearly never used any of the social products they released Employees use for example Gmail and Google Docs, and it's critical to their productivity. It can be hard to get the same feedback loop for other products. Some Google employees used Google+, but not that many, and they didn't need the same features as external users. And even if they complained internally about some things, it was not critical anyway.