[1] Mark Nottingham (@mnot) | Twitter (2015-04-04 11:13:11 +09:00 版) <https://twitter.com/mnot>

[2] mnot (2015-04-07 17:01:18 +09:00 版) <https://www.mnot.net/>

[3] mnot/I-D (2015-04-28 14:51:58 +09:00 版) <https://github.com/mnot/I-D>