I only use a cell phone.
  
 Yes
  
 Yes
  
 I use an Apple (iCloud) calendar.
  
 I do not have a work calendar.
- I have set up my calendar interface so that when I open my calendar, I also see the calendars of my spouse, child, roommate, or at least one other personal friend.
 - I have set up my calendar interface so that when I open my calendar, I also see the calendars of one or more organizations.
 
- Personal e-mails sent to me or a small number of recipients.
 - E-mail discussion lists (where people can reply to the whole group).
 - E-mail announcement lists (usually one-way communications that are sent to a group)
 - Person-to-person text messages.
 - Person-to-person phone calls