You should follow: Iris has a “thumb up button” which isn’t really available within Instagr.am. It opens an email saying You should follow user XY! Make sure Iris for iPad is installed before proceeding (…). 

You should follow: Iris has a “thumb up button” which isn’t really available within Instagr.am. It opens an email saying You should follow user XY! Make sure Iris for iPad is installed before proceeding (…).