Does philosophy make progress?

The question is often asked: does philosophy make progress? If so, in what sense? Is it comparable to the progress made by science? If not, is it worth doing philosophy? Well, it's time for us to tackle these and related questions concerning the very nature of philosophizing. Over dinner and drinks, naturally. Don't forget to check the recommended reading (http://files.meetup.com/394905/philosophical%20progress.pdf)!