How to Google more efficiently

Some nice tricks to improve your searches on Google. I didn't know about some of these power-symbols like:

~review to include related words, such as “check, examine, opinion”.

* distribution to replaces itself with common terms in your search.

2010..2012 - Shows all results from within the specified time-range.

$100..$200 - gives you results based on a range from $100 to $200.

Link: http://jorge.fbarr.net/2012/05/01/how-to-google-more-efficiently/