In Park Slope, Brooklyn there is a lamp facing out of a window on the third floor of an apartment building located on the northwest corner of 7th Ave and 1st Street... and you can control it.

Using Twitter:

Either tweet using the #LampSquare OR using the LampSquare location if you are nearby.

The @LampSquare twitter account will respond with a live picture of the lamp.

Using Foursquare / Swarm:

Step 1 - Go to Park Slope, Brooklyn and make sure you are facing the window described above.

Step 2 - Open Swarm on your mobile phone and check-in to the location called "LampSquare" to turn the lamp on.

Curious about the upgrade to "3.0"? Click here.

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