Matt Cutts, Goolge, hints that Search is becoming more personal and will grow more personal in the coming months.
Refer to: [outspokenmedia.com
The same goes with Bing having a learning system..
refer to - [searchengineland.com
Is the the end of SEO?
I wonder how SE do that - How do they learn our search behavior and if it says something.
I know that search history is stored somewhere but for a single PC sometimes could be more than one user..
Is it legal? Is it social? What are the consequences?