Google Trends
Search Engine Watch has been playing with the new Google Trends tool.
I was eager to see what kinds of numbers it provides. Answer: none. Everything is shown relative to itself, no absolute numbers, no keyword versus keyword statistics. However, if you want to know what cities, regions, or languages dominate a keyword, you can now see this. The tool also clearly illustrates seasonal variations and responses to major events, without actual search volume numbers.
Some things I just learned: