Though this story is not directly about Twitter itself, bit.ly owes a big chunk of its success because of its place in the Twitter ecology.
Bit.ly has just announced a $10 million Series B round led by RRE Ventures (which has invested in Drop.io, Xobni and BuzzFeed, among others) and joined by AOL Ventures, O’Reilly AlphaTech Ventures, Betaworks, Ron Conway’s SV Angel and a host of others...
...this year, Bit.ly links have been clicked 40 billion times. With the rollout of Bit.ly Pro, the company is capitalizing on those metrics; this white-label service is being used by roughly 3,000 large companies and many smaller companies as well, the startup reports.
[mashable.com...]
The article includes a rather stunning graph of the growth in bit.ly use since Oct 2008.