Let's Sell It For Five Hundred Million

Soon, Bobby returned in casual attire. "Do you want something to drink? I have instant coffee here."

Luke said, "No, thanks. Let's sit down and talk."

After they sat down on the couch, Luke got straight to the point. "I've just returned from a trip. While I have the time today, I have a job for you."

As he spoke, he took out a pile of documents from his backpack. "You can take your time reading them later. They're patents that I've applied for. As for what they are, exactly, check this out."

Luke took out a phone with a screen that was larger than normal. He opened an app and gestured for Bobby to take a look.

Watching Luke operate the phone for a while, Bobby asked uncertainly, "Is this… a map?"

Luke said, "That's right. With the GPS on the phone, it can be used as a nationwide or even global navigator, provided that there are enough maps stored in the phone in advance."

Bobby was confused. "How are we going to make use of this?"