Rudy, a Food Truck Owner, Has Sizable Followers on His

Rudy, a food truck owner, has sizable followers on his website where he personally interacts with them and thanks them for their support. He also lets his followers know his location and the menu for a day in advance. The opportunity of _____ is highlighted in the given scenario.

A) having lower overhead costs
B) providing personal customer service
C) exploiting market niches
D) using technology