These are my shared links for 2010-08-3 through 2010-08-4:

• Ruby on Rails – The commands they thought you will never need! [Big Blue Brains]
• For God’s sake, somebody call it! [EPUK]
  Neil Burgess on photojournalism
• How Big is Amazon’s Cloud Computing Business? Find Out [GigaOM]
  From “a bookstore which also sells online storage” to “a cloud company with a few other goods to sell”