A. If you wish to ensure that web browsing during company time is strictly for
business use, you would have to install a product that can enforce this
policy. There are two ways of doing this:

  1. Installing a proxy server with content control feature
  2. Installing a network monitor/scanner with content control feature.

If you use number 1, you will need to reconfigure all your users browsers.
Additionally, you could suffer a performance penalty. If you already use a
proxy server such as Microsoft Proxy server, you do not need to reconfigure
though, and you can purchase add on modules that do content checking.

Option number 2 requires no network reconfiguration and can block all types
of internet traffic. Examples of such products are: