This is wonderful and stupendous. I’ve often thought that Google could be turned back into a good search engine by simply eliminating the crap and letting the

This is wonderful and stupendous. I’ve often thought that Google could be turned back into a good search engine by simply eliminating the crap and letting the useful sites float to the top of the results. marginalia.nu seems to like my sites, so it must be good! Some results are prefixed with ! or an arrow dingbat. What does that mean?