At approximately 8pm PDT last night Pradipta Archiputra sent out an email to 416 people without using BCC. That's problem number one. It looks like the email was meant to be sent out under the pseudonym:
Which is how the email signature looked, but the from: line wasn't. Problem number two.
What happened after that was a group of people sent the usual "UNSUBSCRIBE" and "Stop replying all!" reply-alls to the group. Problem number three.
And then win #one billion: It turned into pure entertainment. People started enjoying the opportunity of interacting with a large group of random people. Someone set up a Google Group, a FriendFeed Room, and who knows what else is in the works.
They're researching Prodigus Source, the probably mythical Max Archie, networking and chatting about all sorts of fun stuff.
My favorite thing so far is the title of a thread on the Google Group:
Particular given my history with TalentSpring.
Job Postings: Threat or Menace?
Here is another account.