The GP aren't here for him, while most of his fans are either growing up or are now Directioners. The 1D fanbase has been significantly stronger than the Beliebers for over a year now.

This is basically the same thread as yesterday

Before Applause's promo kicked in it had a similar iTunes run to Heartbreaker, it was plummeting as well and on its way out of the top 10. The only difference being it had a big radio deal and was massively hyped as her big comeback. Of course Applause is still in the iTunes top 10 it's got 100m audience on radio and it's had so much promo and a music video.

Twitter is only going to reach Justin's core fanbase who are going to buy the song straight away anyway. Without promo and radio support the song is going no where and will struggle to reach enough new people to sustain it at the top of the chart. How are people that aren't checking for Justin going to know he has a new song out? They won't.

I think certain things are too complicated for the average ATRL user to comprehend