This article is a stub. You can help the IndieWebCamp wiki by expanding it.
This is a chronology of content hosting sites that have died, terminating millions (billions?) of permalinks, and breaking the web accordingly. This specifically for content hosting sites which permitted end-user posting. Not random sites nor "app" sites (e.g. if Gmail went away we wouldn't list it here).
Expected/announced site deaths. Move to past as site deaths occur. Soonest first:
- 2012-06-30 Apple MobileMe Gallery, iDisk, iWeb,,email
- 2012-06-30 Plazes. 
- 2012-07-03 picplz shut down planned 
In reverse chronological order:
- 2012-04-30 Google Wave shut down.,
- 2012-01-31 Google Wave went read-only.(ibid)
- ??? number of Google Waves lost
- ??? number of migrated Etherpads lost
- ??? number of links to Google Waves broke
- 2012-03-11 Gowalla shut down
- ??? number of user profiles lost
- ??? number of user check-in permalinks lost
- 2010-09-30 Vox shut down.
- 2010-09-15 Vox went read-only (ibid)
- ??? number of Vox blogs / posts lost.
- ??? number of migrated Pownce profiles lost.
- ??? links to Vox posts broke.
- 2010-05-15 Etherpad.com offline taken offline by Google. (including their own blog post of their transition: http://etherpad.com/ep/blog/posts/transition-update). Etherpad went read-only a month beforehand (2010-04-14).
- ??? number of Etherpad pages lost.
- ??? links to Etherpad pages broke.
- Migration advised: to Google Wave
- 2009-12-29 Haloscan commenting service shut down.
- ??? number of comments lost
- ??? number of links to comments broken
- ??? number of blogs with embedded Haloscan commenting broken
- 2009-10 Geocities.com went offline
- 2009-04 shutdown announced by Yahoo
- 23 million pages gone
- GeoCities Closing: Yahoo GeoCities To Shut Down October 26. 
- 2009-02 Pownce.com went offline. Was previously scheduled to go offline 2008-12-15, but voluntary code patches/contributions from Tantek helped them to transition to public read-only access (to increase chance of archival of content) on that date for about 2 months.
- 2008-12-15 went read-only.
- ??? number of Pownce profiles gone.
- ??? links to Pownce posts broken.
- Migration Advised: import to Vox: "Six Apart is encouraging Pownce members to join its blog platform Vox".
- 2009-01-30 Ma.gnolia.com shutdown.. Ma.gnolia.com suffered catastrophic database corruption and lost all user data.
- 2008-03 Consumating.com shut down by CNET.
- ??? number of Consumating profiles/posts lost.
- ??? links to Consumating posts broken.
- 2001 Desktop.com shutdown suddenly, without users being able to download their documents.
- ??? user profiles lost
- ??? user documents lost
- Wannadoo/orange personal sites
- Why - other problems with using and depending on 3rd party sites