Links and linking strategies are the number one thing you can do to improve your search engine rankings, always have been, and will be into the forseeable future.

Google using breadcrumbs in the search results pages? If  you’ve been on the fence as to whether or not to implement breadcrumbs, there is now evidence that this may help you in the SERPS (search engine results pages) as well. Time to roll them out for multiple reasons. Site usability, the possibility of better crawlability, [...]