Dangers of data mining in schools

THERE’S no such thing as a free lunch. Everytime you sign on to a free web-based service, you are giving out your name, age, birthdate, address, to say the least.

A line under the terms and conditions of the Gmail account reads, “We may collect information about the services that you use and how you use them, like when you visit a website that uses our advertising services or you view and interact with our ads and content. This information includes: device information, log information and location information.”