- Cash Cow Franchise: The reason for the existence of Net Force and Op Center, not to mention all the Clancy spinoff games. Heck, the entire Clancy franchise became this long ago - he sold the rights to his name and, until recently, had ghostwriters.
- Follow the Leader: Clancy's work popularized the techno-thriller genre.
- Science Marches On: Several books set 20 Minutes into the Future make use of proposed weapons systems that never went into production, or never existed in the first place.
Trivia / Tom Clancy