Carrier Pidge hit 75K users and Roost 650K downloads, as slow messaging apps delivering texts at pigeon speeds attract users tired of constant notifications (Emmett Lindner/New York Times)

Emmett Lindner / New York Times : Carrier Pidge hit 75K users and Roost 650K downloads, as slow messaging apps delivering texts at pigeon speeds attract users tired of constant notifications — Apps that let users send digital messages at ultraslow speeds have taken off, with users reveling in a slower pace of life.