Links to some interesting articles on MAINFRAME

Came across a super funny and highly informative article on COBOL :P
Here's the link : http://www.codinghorror.com/blog/2009/08/cobol-everywhere-and-nowhere.html

This one's deep!
Here's the link : http://www.insurancenetworking.com/blogs/cobol-use-legacy-systems-29484-1.html

And this? Plain irony... sigh!
Here's the link : http://news.cnet.com/8301-30685_3-57376406-264/end-of-an-era-nasa-shuts-down-its-last-mainframe/