Twitter will keep track of which websites users logged in to visit via the Twitter button or widget on those sites. This is evident from the new privacy rules of the company. With the Do Not Track button, users can follow off.
Twitter keeps for a period of up to ten days at which websites users logged in all visits, show that in the new privacy rules. Twitter links the data to other users, similar websites, then the user suggestion to get this person to follow. Although the option to use ‘tailored’ suggestions to get opt-in, the logging of activity information by default.
The tracking is possible because many web sites code of Twitter integration, for example, for ‘share-buttons’. Facebook also uses the buttons to track users on the internet, but Facebook can not be turned off. With Twitter, you can do so via the Do Not Track option in the browser of the user. Not all browsers support that yet: Firefox, IE9, and Opera to know the option well, but in Chrome and Safari it still must be built. That would be later this year.
Privacy on social networks has been a topic of discussion. Especially the privacy policy of Facebook, the social network company that Friday, his ipo experience, is controversial. Twitter itself was under fire due to the upload of the address book of smartphone users. It is unclear how long Twitter the visit of logged-in users already track.