I've noticed Wikipedia has many direct links to specific sections in their pages in search results descriptions. For example when searching for 'stackoverflow history wikipedia' the first result that ...
lately google search seem to have interesting new result snippets and I wonder how they generate them. More specifically one got my attention, see the links "15 minutes - 5 minutes - Timer - ...
Most people advice to buy a domain name that exactly matches your main business field. For example if you sell computers the best one will probably be computers.com but with millions(maybe billions) ...