Spotted in NYC: Public vs. Private Property

I stepped out of a subway on Sixth Avenue and saw this marker at my feet. It divided a wide sidewalk that otherwise was indistinguishable from blocks around it.

Seeing Yellow

Is your printer spying on you? Seeing Yellow, a project of the Computing Counter Culture Group at the MIT Media Lab, reveals the secret system used by color laser printer manufacturers to allow the government to track you.

via Boing Boing