Campaign underscores how brands continue to buy niche site sponsorships.
Erin Matts has experience buying digital media at A-B InBev and OMD.
Amazon, Federated Media also see big gains in audience by year's end, comScore Media Metrix reports.
Say Media's tech channel reaches 75 million but until now lacked a known media brand to tie that audience together.
Acquisition is the latest in an industry trend.
Lexus and Macy's among launch brands in effort to rival Apple.
A look at the top 25 online properties in the U.S. during June.
Online display advertising market overview and top 10 online display ad publishers in the U.S. and U.K.

June 6, 2012
1:00pm ET / 10:00am PT