Microsoft yesterday announced that some new privacy tools are going to added to the Internet Explorer 8 (beta 2).

The Private Browsing mode when enabled, IE8 will not save browsing and searching history, cookies, form data and passwords; it also will automatically clear the browser cache at the end of the session.

Other new tools will include "InPrivate Blocking" and "InPrivate Subscription," which notifies users of third-party content that can track browsing history and subscribe to lists of sites to block, respectively. Microsoft will also tweak its existing "Delete Browsing History" by adding an option to preserve bookmarked sites’ cookies even when all others are erased.

Apple’s browser Safari already has this feature but is limited to not save browsing and searching history, cookies, form data and passwords and clearing the browser cache at the end of the session. (NO "InPrivate Blocking" and "InPrivate Subscription")

Mozilla were going put this feature in their browser Firefox 3.0 which went final in mid-June, but the feature was pulled as the browser made its run toward completion. Firefox 3.1 most probably will have the "private browsing" which is how they are describing the privacy  tools they are planning on adding to Firefox.