Subscribers of other pay TV companies will be able to catch the "Gold Zone" and other online coverage only on computers, tablets and mobile phones — at least without connecting cables to the TV.
Verification through the X1 is automatic, as it will be for some subscribers of other services that can recognize if you're on your home Wi-Fi network.
The change is one further step in the TV industry's evolution to become a platform delivered via the Internet. When the online show ends, NBC will typically have two hours of afternoon coverage starting at 3 p.m.
28, 2013 file photo, workers are fixing the Olympic emblem at an entrance to the railway station of Russia's Black Sea resort of Sochi, Russia.
Over the past few Olympics, NBC has shown more live coverage over the Internet than it has on TV.