Design an Instant Teleportation Portal Product: Launch Users, Safety and Rollout
Company: Google
Role: Product Manager
Category: Product Design & Strategy
Difficulty: medium
Interview Round: Other
Assume a technology exists that can move a person from one place on Earth to any other place instantly. You are the product manager asked to design the portal built on it: decide who it should serve first, what problem it solves for them, how a person uses it from the moment they decide to travel until they step out at the other end, and how you would know it is succeeding.
Treat the transport technology itself as a given. The interviewer is testing product judgment (users, experience, safety, launch and metrics), not physics.
```hint Pick one launch group
"Anyone going anywhere" is too broad to design for. Compare a few groups who would value instant travel for different reasons, and let the one with the sharpest pain and the most manageable risk shape the experience.
```
### Clarifying Questions
- Does a traveler need a matching portal at the destination, or can the portal send someone to any point on the map?
- Is a trip one-way, or must the system also bring the traveler back?
- What can come along (luggage, pets, another person), and are there size or weight limits?
- Are international trips in scope, given that passports and customs are normally checked at airports and land borders?
### What a Strong Answer Covers
- A clear mission and one launch segment chosen against named alternatives, with the reason.
- The full journey: booking, identity and safety checks before departure, what happens at the receiving end, and the return trip.
- Trust and safety problems unique to instant transport, such as arriving in an occupied or unsafe spot, a hijacked transfer, or bypassing border control.
- A prioritized feature set and a rollout plan covering where the first portals go and how trips are paid for.
- A success metric with explicit safety guardrails.
### Follow-up Questions
- How would you handle immigration and customs when someone can step into another country in an instant?
- If only a small number of portals can be built in the first year, where would you place them and why?
- How would airlines, hotels and governments react, and how would that change your launch plan?
Overview: A product sense exercise that asks a product manager to turn an instant teleportation portal into a real product. It tests launch segment selection, end-to-end journey design, safety and border-control thinking, prioritization, and success metrics for a technology with no precedent.