Much like Twitter’s hashtags, “Tag Channels” allow users to tag their content so it turns up in a new real-time search.
Separately, Tumblr is also releasing Facebook integration: photo posts, audio posts, videos and quotes are all properly styled to post properly to Facebook pages.
The changes come after a successful July for the company: 255 million pageviews were served that month.
via mashable.com
Tumblr and Posterous are really blurring the line between blogs and social networks. Neither will let you archive your own content, though -- for that you're better off with Blogger or WordPress...
