Can a BHO do this?

[Chintoo723]

Google Web accelerator highlights prefetched links with a double-underline, but I dont see the web page being modified. I know this application is a BHO, so can someone tell me how can a BHO modify the look and feel of the web page? PS: What is the difference between BHO and a add-on? thanks!

[__yb]

A BHO can basically do whatever it wants :p A BHO sits in the browser app, thats outside the page, and add-ons are embedded in the page. For that reason BHOs has a wider view of things.