Kashmir Hill, Forbes:
When I signed up for 23andMe — a genetic testing service — it asked if I was willing to be part of “23andWe,” which would allow my genetic material to be part of research studies. I had to affirmatively check a box to say I was okay with that. As I suggested when I wrote about this yesterday, I think Facebook should have something similar. While many users may already expect and be willing to have their behavior studied — and while that may be warranted with “research” being one of the 9,045 words in the data use policy — they don’t expect that Facebook will actively manipulate their environment in order to see how they react. That’s a new level of experimentation, turning Facebook from a fishbowl into a petri dish, and it’s why people are flipping out about this.