frontpage - 12:07 pm on Oct 12, 2011 (gmt 0)

Are you being tracked right now?

Yep. On this page alone are three trackers.

Google Analytics
Google +
Twitter

Information collected: browser information, time/date, web requests, IP address, mobile carrier, page views, referring URLs, PII (device and application IDs)

Twitter's policy: Anonymous and aggregate data is shared with third parties.