Peter R. wrote:
cjcampbell wrote:

Unfortunately, my only access to Usenet from this place is through
Google Groups. Our firewall blocks everything else. It is not so bad,
but I notice that the first three advertisements that are shown next to
the thread are from aviation injury lawyers all promising big
settlements for people injured in small planes.

Use Firefox as your browser, then download the "Customize Google" free
extension.

A helpful suggestion. I will look to see if Firefox has a version for
OS X.