It really just depends on how users have to choose a service and how much it matters. With email the service used doesn’t really matter so most either use what is given to them (here that’s often from their ISP) or what is recomended to them (e.g. Gmail or Hotmail here in the EU)
It really just depends on how users have to choose a service and how much it matters. With email the service used doesn’t really matter so most either use what is given to them (here that’s often from their ISP) or what is recomended to them (e.g. Gmail or Hotmail here in the EU)