Some companies hand these out at tech events: http://digiclean.com/ http://digiclean.com/ I got one from constant contact & upon reading this story cut it into

Some companies hand these out at tech events: http://digiclean.com/ http://digiclean.com/ I got one from constant contact & upon reading this story cut it into strips to cover built-in webcams. Has the same stick/come off properties of the 3m stuff I think & it's fully opaque.