How to Mark as Spam in Facebook Messages

"The newsletter was about 22.5KB."
Ed Foster's Gripe Line in InfoWorld of May 6, 1996, gives voice to a reader's thoughts about junk messages: "I can only imagine what it would be like if everyone with something to sell used mailing lists to send unsolicited e-mails that were even one tenth that size!"
If you need not so much imagine that as look at your Facebook Messages inbox, you can — report spam, too:
›› Got a junk email or message in Facebook? Here's how to report it as spam, have it moved to the spam folder and help improve Facebook Messages's junk mail filter — all in one go.