The world might not be, but the United Kingdom seems to be. I've seen a few of these over the last year. I must admit, it didn't stand out as anything particularly revolutionary or interesting at the time, but I guess it must be.
An interesting problem - improving on a system that is so behind the scenes that hardly anyone ever thinks about its functioning. To make changes to that, you need large scale social engineering techniques to implement those changes - a 'message of general interest' or two on TV isn't going to cut it.
Ikea (in Austria at least) use them too; they're not kept as spotless, and I've seen them out of order occasionally.
Compared to the alternative of gross toilets it is a win-win situation.