Leadership is the art of getting someone else to do something you want done because he wants to do it.
Don't worry about people stealing your ideas. If your ideas are any good, you'll have to ram them down people's throats.
I've no idea where ideas come from and I hope I never find out, it would spoil the excitement for me if it turned out I just have a funny little wrinkle on the surface of my brain which makes me think about invisible train platforms.
The common reputation of Twitter is that it's frivolous, which isn't the case. If it's set up right, it's a rich environment of lots of learning and sharing of important material. It's not just ‘what I had for breakfast.