As CBS recently proved with the live streaming of the NCAA tournament, content is the once and forever king. So it's entirely strategic and smart for ABC and other networks to show their best programs on multiple platforms.
As with last season, it will be a highly competitive year. CBS and ABC are the two probable combatants for the top spot for the first half of the season. But January will bring a new ratings wrinkle with 'American Idol' re-ascending for Fox.