legacy contact

 legacy contact  is the ability to designate someone else who is given permission to manage your profile / site when you die.

Silo Examples
Sorted by earliest to support.

Google
Google supports specifying a legacy contact since 2013-04-11 as part of their Inactive Account Manager feature for the following services/features:
 * Google Account
 * Gmail
 * Google+
 * Blogger
 * Google Contacts
 * Google Drive
 * Picasa
 * Google Voice
 * YouTube

Facebook
Facebook supports specifying a legacy contact since 2015-02-12 for US users.

Sessions
Related *Camp sessions:


 * 2014-10-10 Breakout: Networked Mortality - CyborgCamp MIT 2014 (YouTube video, 45:09, published 2015-01-15) the day before 2014/Cambridge.