I was always curious...
Steam has existed for about 8 years now, and I was always curious how much time and money I've
wasted spent with the service. I created a webapp to calculate how many hours have been spent as well as an approximate cost of an account's worth. There are gaps in steam's data, so it's not entirely accurate, but it's a good estimate. Go on, check it out! http://wastedonsteam.com
What's it made out of?
It's built using Rails 3.1, which was the other main motivator for creating this - testing out the new assets pipeline in Rails 3.1. It's hosted on heroku, uses gruff to make simple price graphs, nokogiri to update the data, the money class to store the prices, and delayed_job to push all the updating into the background.
The gemfile is below: