Popular blogging platform Tumblr has quietly introduced a minor, but notable new feature: a better way to find contacts through your other social networking services or Gmail. On the page available at Tumblr.com/lookup you can now connect your Gmail, Twitter and/or Facebook accounts to find all your friends’ Tumblr blogs.
It appears that the option to remove yourself from social discovery is opt-out. While Tumblr doesn’t appear to have made an official announcement on this new feature yet, the company did tweet about the addition yesterday.
Read more details on this Tumblr feature at Techcrunch.