1. Google's Ad Quality Team Stats Data Sets Range In The Billions

"Our data sets contain billions of observations before any aggregation is done.Even after aggregating down to a more manageable size, they can easily consist of 10's of millions of rows, and on the order of 100s of columns."
--
Nick Chamandy, statistician at Google

2. Internet Huge Factor In Buying Decisions For Never-before Purchased Products