Facebook is gearing up for a product announcement on June 20.

The social networking giant has begun sending out invitations to news media to check out a new product it's unveiling, if not launching, on Thursday, June 20, in its Menlo Park, Calif. offices. In an odd move, the company appears to be getting the invitations out by snail mail instead of email.

"A small team has been working on a new idea," the invitation reads. "Join us for coffee and learn about a new product."

There is no word on what the new product might be. Facebook's last big secretive product launch was for Facebook Home, its launcher for the Android platform.

This article, Facebook sets new product reveal for June 20 , was originally published at Computerworld.com.

Sharon Gaudin covers the Internet and Web 2.0, emerging technologies, and desktop and laptop chips for Computerworld. Follow Sharon on Twitter at @sgaudin, on Google+ or subscribe to Sharon's RSS feed. Her email address is [email protected].

See more by Sharon Gaudin on Computerworld.com.

Read more about social media in Computerworld's Social Media Topic Center.