Microsoft Internet Explorer 8 Features:

Accelerators
In Private Browsing
Web Slices
Search suggestions
SmartScreen Filter
Automatic crash recovery
Browse privately

Accelerators:
Efficient browsing like

Mapping directions
Translating words
Emailing
Search
Word definitions
Blogging

InPrivate Browsing:
It helps the browser to prevent the

browsing history
temporary Internet files
form data
cookies,
and user names and passwords

from being retained by the browser, leaving no evidence of your browsing or search history.
To start open a new tab and selecting Start [...]