A glance at your comment history reveals a pattern: anecdotal examples of wildly low salaries ($40k-$50k), and unsubstantiated claims that every possible source of salary data (aside from your examples) is inaccurate.
Just a couple of examples:
http://news.ycombinator.com/item?id=3978058
>That's worse than the OP's link.
>If any company paid that much there'd be a line at the front door every single day of people wanting to be hired.
http://news.ycombinator.com/item?id=3953590
>You're "facts" are far from that.
>The developers we have onsite with the customer (Department of Defense with Top Secret clearances) are paid roughly $40-50K/yr USD.
>If there were companies that actually paid the salaries you're quoting there would be a line of people at the front door every morning wanting to get hired.
http://news.ycombinator.com/item?id=3959410
>Your reference is like citing Ms Cleo - pathetic actually.
>If companies actually paid those amounts listed there'd be a line of applicants at the front door every single morning wanted the job.
http://news.ycombinator.com/item?id=3344467
>If there were developer jobs paying that much, there'd be a line of people at the front door every day wanting to get hired.
>Quality people are easy to find, a quality company is not.