Defined as the first robot designed to have general capability with household tasks (so it can't just be like a roomba). First model to sell over 1 million units to consumers. Will it walk with legs?

Resolution criteria

This market resolves YES if the first general-purpose personal household robot model to sell more than 1,000,000 units to consumers uses legs (bipedal, quadrupedal, or other legged locomotion) as its primary means of movement.

This market resolves NO if the first such robot to reach this milestone relies primarily on wheels, tracks, a fixed/stationary base, or another non-legged mechanism for movement.

Key definitions & edge cases:

• General capability / household robot: The model must be designed and marketed for general-purpose domestic manipulation or multi-task assistance (e.g., tidying, handling objects, folding laundry, kitchen prep). Single-purpose appliances such as robotic vacuum cleaners (e.g., Roomba), robotic lawnmowers, or pool cleaners do not qualify.

• Sales threshold: The robot model (or a single continuous product family/hardware generation) must surpass 1,000,000 cumulative units delivered or sold directly to retail consumers, verified by official manufacturer financial disclosures, audited company press releases, or consensus reporting from credible business/tech outlets (e.g., Bloomberg, Reuters, The Wall Street Journal). Enterprise/industrial-only sales do not count toward the consumer threshold.

• Locomotion: "Using legs" requires articulated mechanical limbs for ambulatory locomotion. Hybrid systems (e.g., wheels mounted on the ends of legs) resolve based on the primary, default locomotion method specified by the manufacturer; if both legs and wheels are integral to standard operation, the creator may evaluate whether ambulatory stepping is essential to the design or edit the criteria if clarification is needed.

Background

The consumer robotics industry is divided on locomotion for home environments:

• Legged / Humanoid: Proponents (e.g., Tesla with Optimus, Figure, Unitree, Boston Dynamics) argue that human environments (stairs, narrow doorways, multi-level homes) are fundamentally designed for bipedal or legged navigation, making legs necessary for true general utility.

• Wheeled / Mobile Base: Competitors and roboticists often point to wheels or continuous tracks as significantly cheaper, more power-efficient, and safer around household occupants, avoiding the complex balance and high actuator costs associated with dynamic walking.

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