RROnline.com/Billboard.com

[U2Fan101]

Can someone tell me how, and if, rronline.com and billboard.com are related in anyway?

Does billboard get their info from RRonline?

Thanks, much appreciated.

 

[doctorwho]

Although I am unable to find anything on Billboard stating where they obtain their airplay data, I'm sure it's from the source you listed or a very similar source.