At some point in the future, when tinyurl and bit.ly are lost to the annals, you can check the annals (this site) and find out where a shortened URL used to point, and go there. Or archive.org if the original site doesn’t exist anymore.

tinyarchive.org

Along with the recent communal effort to push self-hosted short URLs, Blaine Cook has popped up with Tiny Archive, an attempt to mirror the relationships of short-urls to their real counterparts, and save us all from datapocalypse. Via: tinyarchive.org.