The cyberpunk media was all wrong- people won't be wearing masks and punk hairstyles to hide their faces; they'll be walking silly and wearing baggy pants to hide their gaits.

"His walking pattern indicates that both legs are artificial below the knees. Similarly, the unconscious habit of stroking his prosthetic right arm is a clear symptom of Phantom Limb Syndrome. It's also a strong external characteristic of the presence of a Ghost. Based upon these and other distinct behavior patterns matched against European Police databanks, I conclude this person is Marcelo Jarti." ~ Ghost in the Shell: Stand Alone Complex (2004), S1E7 - IDOLATOR

Maybe the future is just full of EM blasters and jammers, made as easy to buy and hard to control as insanely overpowered laser pointers.

It's sickening to think that you're going to have to engage in actual electronic warfare with the world around you just to buy some milk for breakfast.

In order to save yourself from, what exactly? The local grocer having a picture of you in their store?

What do they need that for?

Also, such systems are primarily used by chain shops, and provided by specialized companies. Both mean the data gets shared to multiple entities.

You have a great point with the baggy pants. I think I'll go invest in Jnco.