Hi Susan,Simply press Enter after inputting an email address to add it! (The greyed out button will be fixed in an upcoming release)Glenn

Hi Roland,That room is indeed part of a 'team' which is a new concept within Spark. It is still under development at the moment and some features are currently disabled. It's possible you were added by someone who has developer privileges.The differe...

Hi Pantelis1,The update functionality for Spark for Mac is found under Spark -> Check For Updates. Hopefully this helps.Glenn