Johnson, the IFE manager, needs to choose a new in-flight entertainment system but different options are recommended by various vendors. He must consider portable handheld devices, traditional seatback displays, and connectivity options while also keeping passenger preferences like David's in mind. The document provides details on these IFE technologies and suggests Johnson follow the example of a successful IFE manager named Corbin who was able to satisfy passengers and generate additional revenue streams through ancillary services on the IFE system.