Google's vision even includes sites that blend information and links to friends from multiple social networks on one screen.
It is routine for articles to draw thousands of comments each and be cross-linked across multiple social networks.
While in the US, a quarter of teens are online "almost constantly", according to the Pew Research Centre, with 71% using multiple social networks.
If you're often logging into multiple social networks to repost the same content, sites like OnlyWire, Ping.fm and HelloTxt let you update several networks with a single mouse click.
One last approach is to use an app like TweetDeck, HootSuite, Yoono and the built-in People app in Microsoft's Windows 8 and Windows Phone, which aggregate multiple social networks within one application.
So you can search multiple social networks simultaneously.
In the first model, agents interact concurrently in multiple social networks.
Need to post content to multiple social networks at the same time?
Hashtags are, after all, supported on multiple social networks beyond just Twitter these days.
We don't want to have the same application on multiple social networks.
Update: Some people apparently find it distasteful to be able to search multiple social networks simultaneously.
