I'd be surprised if this wasn't what most creatives do. I think it was B.J. Novak (from The Office) I've heard in an interview where he explained that he keeps

I'd be surprised if this wasn't what most creatives do. I think it was B.J. Novak (from The Office) I've heard in an interview where he explained that he keeps a notebook to keep track of every idea he encounters during the day. From the outside of it it's pretty much the same concept. As for the blank-paper-scare, my go to tool is the [Most Dangerous Writing App](http://www.themostdangerouswritingapp.com http://www.themostdangerouswritingapp.com) - for the times you can't get started, it's a good push down the hill. (I'm not affiliated with them in any way.)