A 3D mode for Google Street View, requiring 3D glasses, turned up yesterday, which made me wonder whether it was a time-limited April Fool’s gag, but it’s April 2 and it’s still there. Moreover, the mode actually works. Jennifer found some 3D glasses so that we could actually test this; she saw the 3D just fine, but I couldn’t, thanks to my wonky, cross-eyed eyes — 3D isn’t much good when you have no depth perception. More: Google Maps Mania.