Interesting fact. Using Kworb's estimates Taylor shold have sold around 680k+ of singles from 1989. BUT according to HDD's numbers she seems to have sold 600k (she has 60k from TEA since SEA is almost non-existent for her album).
If sales are down for her, it means the estimates are high and real numbers are lower, so if sales are less then the difference on sales between UF and Blessed Space is less since UF's could be #1 because of sales difference
It's gonna be interesting