The service began in late 2005 as EchoSign. After being acquired by Adobe Systems in July 2011, it became known as Adobe EchoSign and added support for mobile devices. In April 2015, it became eSign services under Adobe Document Cloud. In May 2016, it became Adobe Sign.
- ↑ Send an Agreement, EchoSign. Archived 2005-12-16.
- ↑ Adobe Acquires EchoSign, Adobe Systems. 2011-07-18.
- ↑ Adobe Echosign releases for Android by Zach Dasher, AndroidGuys. 2014-09-21.
- ↑ New Adobe EchoSign release delivers offline signing for iOS by Courtney Brigham, Adobe Conversations. 2013-06-10.
- ↑ Got an HTTP 301 response at crawl time | Redirecting to..., Adobe Systems. 2016-05-05.
- Adobe Sign at Adobe Document Cloud
- EchoSign official site (archived 2011-07-17, 2006-01-06)
- Adobe Sign at Wikipedia
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