[fencepost]

Ever wondered what those black spots on city sidewalks are? That's gum. All of it is gum that's been spat out then walked on until it acquires a top embedded coating of city grime.

[coding123]

At least for sidewalks it probably had a helpful benefit of keeping it waterproof.

[IHLayman]

Are you seriously justifying a two year prison sentence for selling gum?

[fencepost]

Not at all, but nor do I choose to live in Singapore.