I recently watched Sven Van Caekenberghe's excellent video on how to write a web app like Reddit in LISP in 20 minutes. I'd like to demonstrate here that you can do the same thing in Ruby on Rails in a lot friendlier, lot more readable way. So, in this little tutorial, we will write an app which allows you to submit linksview links sorted by points voted or by date/time of submission ("hot" and "n