If you're talking about the effect it'll have, remember not everyone is in their house buying songs on iTunes. Give it until tomorrow, if it doesn't do much, then we can call it useless promotion.
quick new year radio update: We have to survive just a few more days, and i hope, that the song should get a great updates after this year end charts thing....
POP -50spins -0,3mAI (this is not so bad, like other song's update....)
HOT AC: +11 spins 0mAI
Rhythmic: -15spins -0,2mAI (It seems the song is peaking on this format)
Both song are around the same positions, like before the performance.... i hope, that after people will wake up in US, they remember on this eve, and they are searching these songs (LYLALS, HTL and of course GYHAB)
Or I will.
It was better than Lights in my honest opinion.