talk loudly on their phones on public transportation
.
take selfies all the time and post them online
.
keep posting photos of their babies or small children
.
text while doing other things, e.g., talking to someone else, or walking on the street
.
take photos of everything they eat
.
put their phones on the table in front of them in a restaurant, in a café, or in your house
.
video or photograph every single event they go to and every minute of their vacation
.
send or receive messages in the movies
.