630
U.S. officials urge Americans to use encrypted apps amid unprecedented cyberattack
(www.nbcnews.com)
This is a most excellent place for technology news and articles.
Att won't make money off that unless they offer it as a paid service. No reason to give that away for free and the other cell carriers can just pay off (bribe with campaign contributions) legislators to understand encryption is "too costly to implement at such a scale"