I only use a cell phone.
  
 Yes
  
 Yes
  
 I use an Outlook calendar.
  
 I use an Outlook calendar.
  
 I only see my own calendar and do not know how to subscribe to other calendars or otherwise make other calendars visible on my calendar.
- 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.
 - Group text messages (like What’s App).
 - Person-to-person phone calls