Tip: Activate Yelp's Augmented Reality on iPhone 3GS
Submitted by Bob Bhatnagar on
Surprise! The popular iPhone app Yelp has a secret feature that overlays nearby points of interest on live video of your surroundings. This augmented reality feature is available in Yelp version 3.0.0 on iPhone 3GS.
![apple iphone 3.0 yelp app monocle apple iphone 3.0 yelp ar](/images/archives/app-yelp.jpg)
To turn on the feature, called Monocle, make sure "Location Services" are ON. Launch Yelp and select the "Nearby" screen from the bottom menu. Now gently twist or shake the iPhone a few times until the dialog box stating "The Monocle is activated" appears.