I installed, logged out of Gmail, restarted my browser and re-logged in. You also need to click on the actual e-mail address in the e-mail for it to popup, def

I installed, logged out of Gmail, restarted my browser and re-logged in. You also need to click on the actual e-mail address in the e-mail for it to popup, definitely nowhere near as elegant as rapportive and seems to work ~60-70% of the time