I quite like cooking http://www.direitoshumanos.aac.uc.pt/index.php/sghealthcarecom-d761.pdf thetreatmentspace.com  I can see how a lot of people aren't going to notice when they're on Glass' candid camera. For instance, I recorded a video of a Google representative discussing the privacy worries about Glass without him noticing. I did it by acting like I was adjusting Glass on my head, allowing me to press on a small button located on the top of Glass' right frame (this technique is an alternative to using the spoken word to command the device).