Alex Baldwin saw a need. As a freshman at the University of Texas at San Antonio in 2007, he said, his fraternity's paper test files were too hard to track down. So, with a friend's help, he scanned many of those files and started a password-protected website.
Before long, the password was removed and Baldwin invited fraternities at other colleges to scan and post their own test collections for the world to see. Thousands were visiting the site, which in January changed its name to Fratfolder.com and continues to solicit submissions. ...