This mode allows users to surf the web without saving data like cookies, history, or temporary internet files.

Microsoft ceased security updates for IE8 years ago. It is vulnerable to modern exploits.

Cybersecurity trainers and computer history educators use IE8 to demonstrate:

Using IE8 in today's internet environment presents significant security risks as it is no longer supported by Microsoft. To stay secure, it is crucial to restrict its use to known, trusted internal networks and legacy web applications for which its functionality is absolutely necessary.

These were early context-menu extensions. Users could highlight text on a webpage and instantly map it, translate it, or email it via a right-click.