Google continues to make SERP changes that blur the line between organic and paid results. We dig into what has changed in recent years.

Today I noticed a new feature on my Google results pages: A “web” plus box that expands to show new SERP features.

Some follow-up thoughts on Google’s search-within-the-site.

Yahoo’s LiveSearch over at AllTheWeb uses AJAX to build search results pages on the fly, as you type.

Google recently released Custom Search Engines, or “CSE”s. This new free product offers interesting possibilities for online retailers.