An underappreciated thing about media moving from broadcast to a constantly measured internet is the end of "sweeps week"...
An underappreciated thing about media moving from broadcast to a constantly measured internet is the end of “sweeps week” rhythm, where show viewership (and thus advertising rates) was measured one week every few months, such that in the weeks that it was, every show would try to juice its ratings with fanbait, special events, celebrity guest stars, arc climaxes, etc.