Stay in touch with hundreds of people.

[Automate keeping in touch to stay in sight. A List: very important, every 3 weeks, B List: important, every two months; C List: most people, every six months; D List: demoted, every year to make sure you have their correct info.]

[Find out how they're doing without asking something in return.]

[It's easy to forget and some people will appreciate you making the effort.]