It's pretty easy to avoid restaurants with poor letter grades from the NYC Department of Mental Health and Hygiene when you're out for a walk on lunch, but a new Google Chrome browser extension could make it just as easy for choosing where to order from on delivery sites.
Once installed, the extension will display the restaurant's letter grade overlaid on several sites like Yelp, Zagat, Seamless, ManuPages, FourSquare, and OpenTable. It doesn't appear to work for delivery.com or GrubHub, but the developer notes on Reddit that more sites could be coming soon. The extension's description claims that that, unlike similar extensions, it pulls from city data daily.
The letter grade is made to look like the same card you'll find hanging in a restaurant's window, as you can see here: