All of that said, I tweeted them about my article [1] (nothing accusative, just a sort of "hey, check out my similar article from eight months ago for a little more insight." They tweeted back something equally civil and added a link to their article [2] within a minute.
Anyway, that's a great way to handle such a situation, in my opinion.
[1] http://www.alfajango.com/blog/google-one-letter-suggestions/
[2] http://www.huffingtonpost.com/2010/09/08/google-instant-top-...