Official Google answer: Any reason why Google search does not treat the @ symbol differently given the rise of Twitter?

Question:

Any reason why Google search does not treat the @ symbol differently given the rise of Twitter? For example @mattcutts and mattcutts give me the same results.

Google's Matt Cutts answers:

Summary of the answer:

The summary of the answer is available to paid members. Become a member now. It's fast, easy and risk-free.

Question	Views
Are different sites treated differently?	384
Prefetching resources	450
Does Google treat links in footer s differently than links surrounded by text (e.g. in a paragraph)?	564
What is the best way to serve different content according to user country IP (legal reasons)?	436
I noticed that, for example, "Texas widget", and "widget Texas" return different results. I think the gist is the same but the results were different. I'd like to include both terms/phrases on my page but wouldn't that be considered keyword spamming?	451
Are you ever going to do 'weather reports' like Yahoo! does algorithm updates?	377
Are Chrome's 'usage statistics' used in evaluating site speed?	362
Whenever Google detects a violation of its Webmaster Guidelines, can we expect a feature to be added in Google Webmaster Central where it could help the webmasters learn what the issue was?	401
What are the factors that go into determining of PageRank of a Twitter page, e.g. it is the followers, backlinks?	482
Is it a good thing to put 'nofollow' in links to a disclaimer, privacy statement and other pages like that with the internal PageRank in mind?	552

Question

Views

Are different sites treated differently?

384

Prefetching resources

450

Does Google treat links in footer s differently than links surrounded by text (e.g. in a paragraph)?

564

What is the best way to serve different content according to user country IP (legal reasons)?

436

I noticed that, for example, "Texas widget", and "widget Texas" return different results. I think the gist is the same but the results were different. I'd like to include both terms/phrases on my page but wouldn't that be considered keyword spamming?

451