[turtleneck]

Do you really expect people to just give you access to their webcameras? Looks shady.

[jonathanmv]

Thanks interesting. In my naive way of thinking about this I think people will just open the webpage, allow access to the camera and smile for at least 4 seconds.

I just did a test with a person that was around and she also was reluctant about smiling in front of the camera.

Do you have any recommendations to overcome this?

[turtleneck]

I get (and, in fact, like it quick much) the idea behind your project, but people are really afraid about their privacy - especially these days. First thing would be adding some information, e.g. that the recording won't be stored anywhere and that it will not be shared. This definitely won't make all of the people trust you, but some will surely feel more comfortable seeing this kind of statement.