Good advice. Transaction costs and, in particular, startup costs are some of the most difficult things I face in my (graduate student) day-to-day. Simply getting up to the whiteboard can be difficult.

I'm definitely going to start using a reference managing website.

I've been using Ad Block Plus to keep myself out of Reddit and Google Reader at work. (Sadly, I think the time has come to add HN, as well.) The method works, and I've been tempted only once or twice to circumvent the blocks.

In short, mold your life so that the path of least resistance is the path of maximum productivity