Small Alexa question about one of my sites.

Hello,
I noticed something that i didnt notice before if you look at :

http://www.alexa.com/data/details/traffic_details?q=www.h-log.com&url=www.h-log.com

you will find that there is a think called :
People who are interested in www.h-log.com also bought:

I do not understand from where that thing started showing up and is that a good thing or a bad thing?

 

hmm not sure, nice traffic spike though, may i ask how u achieved that?

 

I dunno just opened up my directory site for users here at dp but it goes down as users get tired of submitting sites