[zeugma]

For a right to privacy to exist in public we would need the right to wear motorcycle helmets to completely shield our identities. Mere masks or makeup won’t be enough.

That won't help either. Your gait can identify you almost as well as a fingerprint. The new orwellian world we are moving into is going to be a depressing place for the most part. Anyone who thinks you can prohibit the government or businesses for using this tech is dreaming and/or delusional.

[Spktyr]

Gait biometrics are considerably more difficult to use in crowded areas and are useless for those sitting or riding, though.

That said, makeup is definitely not enough.