[kghose]

Use FedEx Kinko's. Wear a baseball cap and sunglasses when you go in.

[throwawayaway]

with your phone left behind you and having dodged any security cameras between there and where you live.

...and all you want to do is print some flyers for a bake sale.

[tedunangst]

If the secret police want to know where your bake sale is, they'll probably just read the address on the flyer instead of decoding the magic tracking dots.

[mcguire]

"...print some flyers for a bake sale."

Hey, defeating traffic analysis isn't complex, it just takes a lot of work.