The phone number 1-800-ITS-UNIX, didn't help. But ATT sued the Regents of
California first because of UCBs net releases. And while there were many of
the same principles, the two lawsuits were different.
At&t did not have much choice. Unix was protected by trade secret, and once
it was available, the trade secret was gone. Rick Adams asked a lawyer if
somebody posted it to Usenet by uploading it from a phone booth. Would
happen, The lawyers gulped and said it's available now.