Very nice. I've wanted to do an Arduino project for a while (or an Android ADK, or this) but I can't think of any project ideas. I don't want to create a remote

Very nice. I've wanted to do an Arduino project for a while (or an Android ADK, or this) but I can't think of any project ideas. I don't want to create a remote controlled car, or a gmail notifier. I want to create something real, something useful.