The Economist : Interpret the World

[vikas]

I must be a duffer, kind of, didn't quite get this one.

[vikram sharma]

the billboards have a number at the bottom which you can sms to receive, what it seems, a solution to this 'code'.

I wanted to mesage but forgot the number. they should remember to put it up in the print as well.

[Saumya]

here's another one from The Economist