Randy Pausch Time Management 0:24.45 Does anyone here have an e-mail inbox sorted by importance? This is my PhD topic. Defining what importance means and applying it to the items in the universal inbox.

Designing a More Effective Inbox has some statistics but I don't think they have the solution. They also use utilize or utilized five times which makes me suspicious of their claims. They also references but no in-text citations and claim to have patented a process or algorithm. Paul Graham has an interesting essay on software patents.