I've used Pinterest for a long time. I've saved recipes, crafts, and all sorts of other ideas that were interesting to me. Lately, I've been using Pinterest to help me organize ideas and info for my cheer squad. It's been a great help as the squad members are able to add to the boards as well.
Here are a couple of boards I follow...
https://www.pinterest.com/laneahead/cheer-coach/https://www.pinterest.com/cheercoachacad/_created/