Wink uses search results from there site and Google to be able to suggest websites or products that the user would like based on their searches. It is called a social search engine. People can give articles thumbs up or down this would reflect on the search results they get in the future as it would develop what the user likes only.
Google open social lets people create apps to make the internet more fun for users as they can build something they like. It also allows people to talk to their friends. It also helps people build websites easily. It also links all the social networks that the user is linked too so it’s all in one place.
Beacon was a part of Facebook's advertisement system that sent data from other websites to Facebook, to allow targeted advertisements and allow users to share their activities with their friends. Certain activities on partner sites were published to a user's News Feed. Beacon was launched on November 6, 2007. Facebook beacon was shut down in September 2009 after it was deemed too controversial and had a lawsuit filed against them.
It was feared that people had no more privacy if they had this service up and running as businesses would always know what each individual wanted. Some people feared that if they bought something but said they didn’t want it on Facebook that the company its self would still get this information and pass it on to other businesses to advertise their products to those people.