Tip: Your more important contacts should hear from you at least once a month. Other contacts might not need to hear from you more than once per quarter. Go into your contact’s list and set yourself these reminders.
2. Pick Up Where You Left OffWith LinkedIn contacts, your e-mails sent to that person can be found in their profile, like this:
This means you can pick up where you left off in your last conversation.
For example, three years ago, this friend of mine and I were talking about building a website together. The project never moved forward but our idea seems to have become popular, kind of an ironic and fun shared experience.
Tip: By linking together past conversations with your latest correspondence, you help your contact see the context of your relationship. They are busy too and may need some gentle reminders about how they know you.
Way #3 and the complete Careerealism article