Streaming Deals Key to Upfront Ad Sales as Networks Gun for Price Hikes Brian Steinberg, provided by FacebookTwitterEmail The largest TV networks are getting ready to snare billions of dollars from Madison Avenue. And lose them, all at the same time. More from Variety The annual springtime ritual of programming presentations for ad buyers will be virtual this year, kicking off on Monday with events for NBC and Fox. Disney’s many platforms take the stage on Tuesday, as will Discovery and Univision. CBS and WarnerMedia go on Wednesday. “We are seeing great strength in the markets, not just from a pricing point of view, but also from a volume point of view,” said Fox Corp. CEO Lachlan Murdoch, speaking to investors earlier this week. “The budgets are bigger and more significant than we would have expected,”