For those of us that have been around the search engine indexing change saga, that happens about every 6 months to a year or so, seeing Google change the way it indexes and ranks data is a regular occurrence. Sometimes with few visible effects - sometimes with devastating effects. In the SEO industry, we're so used to Google rolling out algorithm changes without fanfare and reacting to them as we realize something has shifted that this announcement came as quite a surprise to me. Thank you Google for the warning this time!  The announcement is that Google is about to launch it's most aggressive change in quite some time with a new data storage system and more importantly the Google Caffeine engine update. So what is up with this new Google Caffeine upate and how will it effect your particlular websites.

Addressed here is the Google Caffeine search engine update and what affects &/or changes it may have on website rankings compared to the old system of ranking. What kind of differences can we expect. Will the earth move under our feet regarding your website search engine rankings when Google rolls out Caffeine or will the affect be nearly invisible?

{UPDATED 11-24-09}