I think this is about software erosion. http://blog.heroku.com/archives/2011/6/28/the_new_heroku_4_erosion_resistance_explicit_contracts/ http://blog.heroku.com

I think this is about software erosion. http://blog.heroku.com/archives/2011/6/28/the_new_heroku_4_erosion_resistance_explicit_contracts/ http://blog.heroku.com/archives/2011/6/28/the_new_heroku_4_e...