“60 Minutes” has been promoting an interview with Amazon.com founder Jeff Bezos, and promising the unveiling of a “big surprise.”

Speculation is running rampant:

We will update this post after the “big surprise” is announced.

Update:

The “surprise”: A delivery system based on drones?

Many Twitter users called it:

***

Related:

Amazon planning package delivery by drone; What could possibly go wrong?

Editor’s note: This post has been updated with additional tweets