I have one but I rarely use it. If I meet someone at a conference or through work we might connect via LinkedIn but it feels more like creating a rolodex I'll n

I have one but I rarely use it. If I meet someone at a conference or through work we might connect via LinkedIn but it feels more like creating a rolodex I'll never use. Presently I have 50 connections via LinkedIn, any more than that I'm not sure how I will keep up.