Anniversary · 5 June · THE ARCHIVE
Phil Zimmermann sends the first release of PGP to friends, who upload it to the internet. A program for encrypting email. Paid for with five missed mortgage payments.
PHIL ZIMMERMANN · PGP 1.0 · 05.06.1991
Turn it over, answer, sign – free, no account.
Source
Fact · Philip Zimmermann, “PRZ Marks PGP's 10th Anniversary”, PGP-signed, 5 June 2001: “It was on this day in 1991 that I sent the first release of PGP to a couple of my friends for uploading to the Internet.” and “I missed five mortgage payments developing the software in the first half of 1991.” (philzimmermann.com)
The question on the back
How many of your messages could a stranger read today?