The survey found a large percentage of Millennials – and an even larger percentage of users age 35 and older – are uncomfortable with others having access to their personal data online or information about their web behavior. When asked about the statement, “No one should ever be allowed to have access to my personal data or web behavior,” 70 percent of Millennials agreed, compared with 77 percent of users 35 and older. However, in spite of those views, significant percentages of Millennials compared to those age 35 and older are willing to give up some of that privacy – if they benefit from it.

Crowdsourcing image analysis. A study of work by Amazon Mechanical Turks studied their accuracy in analyzing Google Street Map images for wheelchair accessibility. Results: 81% accuracy without any quality controls and 93% with the addition of simple quality control schemes.

(via Crowds Helping Make City Sidewalks More Accessible | Follow the Crowd)