public ServiceClient()
{
//Question 1) where does the 'Connected' sequence come from i.e. what is it that tells you that you have internet connectivity?
//Question 2) When should the subscription be made to 'Connected'? Here I cheat and do it in the ctor, not great.
var connected = Connected.Replay(1)
.Where(isConnected => isConnected)
.Take(1)
.Select(_ => DateTime.UtcNow);
_lastConnnected = connected;
_connection = connected.Connect();
}
