Advance Half The Distance?

Riddle: If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Answer: Infinity! Technically you will never reach the door, as you can only move half the distance, no matter how small.

Source: https://www.riddles.com/34

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door? — Advance half the distance? by Anonymous v1.

Riddle: If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door? Answer: Infinity! Technically you will never reach the door, as you can only move half the distance, no matter how small. — by Anonymous v2.