• First tool on the web as far as I know that allows you to view what keywords people searched for it in search engines.
• First time you can see how much organic traffic each site gets from a search engine.
• First opportunity the public can see how many clicks individual SERPs get.

surf.to

Keyword phrase	Searches in AOL before visiting this site
the adicts	3
chinesehoroscope	2
jeanne tripplehorn	2
monica bellucci	2
wooden ship models	2
sammysosa	1
timi yuro	1
the marvelettes	1
uspresidents	1
britneyspears	1
xavier malisse	1
funpage	1
tuuli	1
dogclothes	1
texassummercamps	1
islaam	1
miriam	1
britney spears	1
fotofantasy	1
calli	1
ronettes	1
adicts	1
spicechannel	1
tiffosi	1

Hourly Breakdown