Spool was a free social bookmarking program and social network that was launched in October 2011 at TechCrunch Disrupt.

[1] The service allowed users to cache a webpage, including any media on the page, for offline consumption on any mobile device.

Spool raised over $1 million from angel investors in January 2012.

[2] Facebook, Inc. acquired Spool in July 2012,[3] in what was rumored to be a very competitive process.

[4]