Plus:
Camera to take pictures that you encounter while on the go
Music to play while traveling
Kindle reader when on public transit or waiting for your doctor's appointment
Having a record of drugs taken in case asked
Being responsive to time-sensitive emails/texts*
Assist in shopping such a price checks, quality comparisons, etc.
* this seems to be the only one that consumes young people
I am sure there are others.
+1
Being able to pull up car insurance information if needed.
Ability to send documents to a printer easily.
Ability to check security cameras remotely.
Ability to unlock house or car doors.
Ability to locate car in larger parking lot.
Ability to warm up car by starting it in the winter.
Ability to open garage doors remotely.
Able to find other family member’s misplaced phone.
Apple Pay
Ability to dictate notes.
Easy access to addresses and phone numbers of contacts.
Walking directions along with driving directions.
Easy searching for nearby restaurants, gas stations and stores.
Appointment reminders
Notifications of package deliveries.
Always have a calculator or currency converter available.
I’m sure there is still much more that hasn’t been mentioned.