1. Telepresence of witnesses to grant the order for intervening.
2. Quick laser cutting of a ball of wood.
3. Wood-grain hashing.
4. The tube that the wooden red ball comes down is quite anachronistic.
5. Human-Computer Interaction, including the stretching for three screens, time scrubbing, wipe-to-select, and lasso-and-grab.
6. Hyper-Cross-Referencing of different databases to find out the scene of the crime.
7. Precognition, including the dichotomy between “pre-meditated” and “passion” crimes, the erasing of memory, and the displaying of thoughts on the screen.
8. Flying police car and personal jetpacks.
9. The “Halo” restraint device.
10. Omni-surface screens, used for advertising a precrime PSA.
11. Drugs, including “Clarity” and “Neuroin.”
12. Voice Activated Mood for home (“I’m Home,” “Overhead”)
13. Transparent screen technology, with auxillary screens such as “Wall screen” and 3D projection.
14. Cars with no drivers and federated decision-making and traffic flow.
15. “Absolute Metaphysics.”
16. A paper warrant. (anachronistic)
17. “Optical Tomography”
18. Rapid Eye scanning.
19. Cryostorage for Jail.
20. Personalized advertisements while walking (futuristic Spam).
21. Live-Updating digital newspaper (USA Today)

Each of these poses interesting questions for “could it happen” and “what are the consequences,” which I hope to explore in my paper/presentation.