Martin is in a busy beach area and is looking for a place to go to dinner. He decides to go to Blue Lagoon because it offers text updates regarding the wait time, rather than Green Grotto which operates on a first$-$come, first$-$serve basis and does not maintain a waiting list. Based on this information, on which of the $7$ P$\text{'}$s do these two restaurants differ?

Process

People

Place

Physical Evidence