Membership is a once a year "purchase." That is why it is important that as association execs we find ways to make engaging with and interacting with and hopefully purchasing from our associations a habit. This post shows how a couple of groups made that happen.
Staying in the vein of oldies but goodies and member communication this is a good post with some really good tips on how not a lot can often be the right amount.
This is an older posting but it has some great, and still very relevant, information on communicating with your members. Some tips never go out of style.