No dirty words? Ah, well

Rico says TechCrunch has the story:

Google really did just change the game in search today with the introduction of Google Instant. While Google execs at today’s event emphasized how much faster it makes search, Google Instant is really about showing you more search results. And this will have very interesting implications for consumers expectations of what they want from search, search market share, and how sites try to game search through SEO tactics.
Google Instant turns search into a realtime stream of results which flow onto your screen as you type your query. With each letter you type, a whole new set of results flash by. This is important for several reasons. First and foremost, you will now see many more search results than you would have otherwise. Most people never click through to the second page of search results. If it is not in the first ten blue links (or really the first five or six), it might as well not exist for most people. With Google Instant search, instead of people seeing only ten results, they may now see 50 or 100 (depending on how many letters they type and how far they get through each search query). They also potentially get to see more ads, as those change along with the results.
Google just found a way to jack up the number of search results you see by doing nothing more than type in a word or two like you always do. Most people can scan results visually and can absorb a lot more information if it is streamed to them in this fashion rather than having to manually click through to see more results. If people get used to this, it will put pressure on Bing and other search engines to quickly follow suit. People go to the search engines whether they can find things more quickly. (Google Instant is already turned on for some people and will roll out throughout the day. If you go to Google’s main search page you can see how it works.)
Which brings us to the whole issue of search market share. Currently, market research firms such as comScore count search market share by the number of queries and search results each engine delivers. Search engines like Yahoo and Bing have been juicing these numbers recently by adding search results to other parts of their sites such as slideshows and news. But now how do you count a query when each letter brings up different results. Google dominates search market share as it is currently measured, and now it just changed the game. Counting queries is now completely outdated.
SEO (Search engine optimization) will change as well. Sites will need to optimize for particular letter combinations, not just entire keywords. It will be interesting to see whether results get spammed or if Google will gain the upperhand in this constant cat and mouse game.

Mashable points out that, while Google Instant does show users more results, it also filters out certain kinds: queries for penis, fuck, and other dirty words were censored.