Google+: If, And, Then....Implications for Twitter and Tumblr - John Battelle's Searchblog | The Google+ Project | Scoop.it
If Google+ really works, Google will be creating a massive amount of new "conversational media" inventory, the very kind of marketing territory currently under development over at Tumblr and Twitter. Sure, the same could be said of Facebook, but I think that story has been well told. Google+ is a threat to Facebook, but for other reasons. The threat to Tumbrl and Twitter feels more existential in nature.

Let's look at a typical flow for Tumblr, Twitter and Google+.