“First there was the speed bump; now it’s the bench barrier. The former is designed to slow traffic, the latter to stop skateboarders, BMXers, in-liners — and anyone else who would do more than sit upright in the public spaces of downtown Toronto. Although this architecture of exclusion can be hard to notice, much of the civic realm is being quietly altered to eliminate the menace of kids on wheels and, even worse, the homeless, and all those who would use benches, window sills or walls for other than their intended purposes.”