discussion

Check out this article:

 http://www.businessinsider.com/how-google-and-104-other-companies-track-everywhere-you-go-on-the-web-2012-3?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed: typepad/alleyinsider/silicon_ 

Do you think it is ethical for companies to do this without your knowledge?  How is this different than the grocery cards you have that provide price breaks? 

Are social media inherently less secure than regular email?