Gaga just won some kind of songwriting award while Taylor just won over Apple Music to have them pay artists during their 3 months trial.
And?
Overall impact Gaga obviously, Taylor does not have any impact actually other stars like Avril for example have made an impact on her, but that's basically it.
Clearly Taylor Swift... Gaga is over since 2012....
Idc. Gaga did more in 2009-2010 alone than Swift in her entire career. I'm still waiting to see where exactly is Taylor's impact. She has none imo, absolutely none