I only am using Pintrest to share my wedding ideas with my bridesmaids and my family. I may start a board on DIY projects at some point if I come across enough interesting projects. I think it's a great visual way to share your ideas with a lot of people.
I'm on there, but don't use it often. I forget. I do follow the DIY pins and if there is a certain recipe my guy might like I'll follow it, so he can make it for us because y'know, I don't like cook or anything LOL