Damn I envy the GitHub guys. They can send a mail to their users about SSH Keys and nearly all users simply understand it and get it over with.
In any other business, the result of a similar mail would be an overloaded helpdesk, a significant reputation hit and a massive bucketload of competitor FUD.
In any other business, the result of a similar mail would be an overloaded helpdesk, a significant reputation hit and a massive bucketload of competitor FUD.