Originally Posted by murraypaul
Why did Google introduce their own social networking site?
To have control over it.
Same answer here. You never want to leave yourself at the mercy of a competitor.
But the other social networking sites were NOT competitors UNTIL Google got into the Social Networking space.
It's not always a good idea to get into businesses you are not good at just for the sake of owning it.
In many industries there an axiom that it's better to buy than to build.