It's pretty easy to do the facial recognition thing already, and it will only get easier.
If you have basic programming skills you can set up a script that you can feed pictures of someone and then find every other picture of that person. Right now it takes serious computing power to do a comprehensive crawl, but it's becoming easier to do.
In the proof of concept I saw someone was running pictures from OKCupid against public Facebook pictures to find OKC users' real identities.
I predict that within 10-15 years the bar will be significantly lowered as more people have mildly embarrassing pics online.
If you have basic programming skills you can set up a script that you can feed pictures of someone and then find every other picture of that person. Right now it takes serious computing power to do a comprehensive crawl, but it's becoming easier to do.
In the proof of concept I saw someone was running pictures from OKCupid against public Facebook pictures to find OKC users' real identities.
I predict that within 10-15 years the bar will be significantly lowered as more people have mildly embarrassing pics online.
"A flower can not remain in bloom for years, but a garden can be cultivated to bloom throughout seasons and years." - xsplat