Before the 200m started, the cameras were filming Dafne much much more than the other sprinters. It seams the IAAF have found their next athlete that they can market their sport with, just like Usain Bolt.
Her performance increases are as big as Usain Bolt's, back in 2012 when he was struggling the whole year, and then in juste 1 month, he was running close to his word records at the olympics.