SEO, Twitter and Google

People are constantly talking about how just a subtle change can make a difference in SEO.
Well here is some proof of that via Robin Wauters over at Tech Crunch.
It involves what Twitter has done with it's title tags.....

Notice that title tag for my Twitter profile page?
It reads “Robin Wauters (robinwauters) on Twitter” where it used to say “Twitter / robinwauters”. For the TechCrunch Twitter account, it used to read “Twitter / TechCrunch” (only the username) instead of now “Michael Arrington (TechCrunch) on Twitter” (full name + username).

Full story here