Selome Hailu Upfronts week has kicked off in New York and so too has the annual spring tradition of networks making the final calls on which shows will and will not survive for another season. But broacast and cable channels are not alone in this process anymore. As Variety noted in early May, streamers like Netflix and Amazon have pivoted to ad-supported tiers, prodding them to make their first-ever upfront presentations to woo advertisers.