The same one you can now see up top my blog. I have decided to try it out and see what it can do for me in terms of Traffic, because, one of my reasons to have this blog (not the top one ofc, but it's up there) is to get some $$$ monetizing my blog with AdSense. We all love a little cash right? Traffic can only help.
Here is a brief explanation:
(I am in no ways promoting the use of it for your own blog, you can take from this as you wish though)
Taken from their site...
I will see in time how it works... while I think it can give me some Traffic, the 1 million viewers a month is a little radical from it, time will tell.
So, comment on what you think of this little site and do you think it would work?