There's no way a user can delete that when they're sitting there on the site.

Such users may then add, delete, modify or execute files on the computer to their own ends.

Unlike computers, human users cannot delete one memory and replace it with another.

As an alternative, users may frequently delete any stored cookies.

The latter also allows users to delete local shared objects.

These cookies operate until they expire or a user deletes them.

A user can add and delete channels on this page.

This requirement is occasionally hard to meet because users may delete or stop sharing data at any point.

From there, users can add other interest categories or even delete the ones that have already been added.

And users could delete any of the certificates that are signed using MD5.