using google tabs
open up a new window when you're gonna be in and out

using draft queues
you can write someone an e-mail when it'd be the wrong time to send it - just make a draft and review your drafts
while you're at it, go back and see your unanswered sent mail

while you're at it, why not like, actually go through those boxes of ideas you've got stacked up? really - why haven't you gone through any of it? What if you died without seeing how cool that stuff is. That's your confidence boost, right there. That's your identity. If you don't like it, you'll know right away.