Honestly, all these mobile apps are quite unnecessary, and sometimes downright annoying or harmful (to productivity, and peace of mind). 10 years ago I used MSN

Honestly, all these mobile apps are quite unnecessary, and sometimes downright annoying or harmful (to productivity, and peace of mind). 10 years ago I used MSN Messenger, and that was all good. I don't need to be permanently connected to other people, especially when I'm supposed to be doing something else.