Step 1: Go to Park Slope, Brooklyn and make sure you are facing the window described above.
Step 2: Open foursquare on your mobile phone and check-in to the location called "LampSquare" to turn the lamp on.
All "lamp-ins" will be recorded on the @LampSquare twitter feed along with any comments you leave. Also, feel free to submit pictures or videos of your effect on the lamp to the LampSquare blog.
Curious about the upgrade to "2.0"? Click here.