By Chris Woodward
A conservative activist is taking the head of AT&T at his word when he says his employees need to stop blocking conservatives from advertising platforms.
One of the companies that AT&T now owns is AppNexus, a major online advertising network that has been in the headlines in recent years for blocking ads on websites with which it did not agree. According to the National Center for Public Policy Research, AppNexus - under its previous CEO Brian O'Kelley - had a practice a practice of banning certain websites from its platform for political reasons, and publicly encouraged other ad networks to follow suit.
formatting link