I'm conducting a social experiment, exploring the streets of San Francisco with a pair of Google Glass, the $1,500 dollar wearable computer with a built in camera.
Most people are just curious, but one guy is not happy to see me.
"Google Glasses are about to go in the garbage," he says.
Then he curses. "They're non privacy..they're EXPLETIVE interrupting the world."
The exchange happened in the city's famed Haight Ashbury district.
The same area where resident Sarah Slocum ran into some trouble because she says she was wearing Google Glass.
Inside a bar called Molotovs, Slocum says she turned on the camera when things turned nasty.
"I never experienced any animosity from wearing Google Glass and it completely took me off guard."
The late night confrontation was apparently part of an angry backlash against Silicon Valley employees who some say are driving up rent prices in an already expensive market.
Though Slocum doesn't even work for a technology company, several San Francisco bars, including Molotovs, have now banned the use of Google Glass because of concerns about privacy.
Unlike a smartphone, it's not exactly clear when someone is recording with the new technology.
What do you think about Google Glass? Let us know in the comments below.