Facebook CTO Mike Schroepfer ran a demo for a Fortune journalist to showcase how quickly the firm's AI system can pick up harmful content.

To do this, he made the system distinguish between broccoli and cannabis.

Schroepfer said AI is more accurate and much faster than humans at making the distinction.

Facebook's CTO Mike Schroepfer showed off Facebook's AI software by making it distinguish between cannabis and broccoli.

Fortune journalist Michal Lev-Ram spoke to Schroepfer as part of a lengthy piece about Facebook's attempts to move on after a year riddled with scandal.

Schroepfer showed Lev-Ram two photographs, and asked her to determine which was broccoli and which was weed.

The text above is a summary, you can read full article here.