A call-em
Sneakers.
Falafel Raptors. (sorry)
You keep hearing about em but you never see em
Nothing, he's been told twice already. (And be cool, if you get the reference keep quiet and let em wonder.)
Because everyone uses the Internet to look up phone numbers or people don't have landlines anymore and cell phone numbers aren't listed in the phone book. Also people use social media to communicate and connect with people.
They all have phones.