hikz

I have heard that many American students use these when they are studying.

Do HNers use these when they are programming or studying? Does it work?

EDIT: I am asking because this kind of medicine is not in wide use by students in Denmark.

How useful is Martin Fowler's 13-year-old "Patterns of Enterprise Application Architecture" today?

Are there some newer content (web, books etc.) on the same subject you would recommend?

Also how long does a BSc and a MSc each take to complete in your country?

If you have degree in these fields how long did it take to complete for you? If you were delayed what were the challenges that may have delayed you?

There are tons of VC-backed startups making mobile and web apps but are there any VC-backed startups making a desktop app?