I think Inprivate Browsing is the best privacy feature provided in Internet explorer Beta2  .no doubt others will follow to implement this feature in future of their browsers like Firefox and opera.

inprivate

  1. To make use of it users should read emails  in inprivate browsing .
  2. Financial transactions on Internet should be done in Inprivate Browsing .
  3. All banking transactions online should be done with Inprivate Browsing.
  4. All your personal info filled should be used in InPrivate Browsing.

Advantage of  Inprivate  Browsing is all history of pages visit will be erased.

All cookies ,temporary Internet files will be removed.

Related articles

PC Privacy Guide