evidence: If Whatsapp messages are to be believed, the UN's cultural agency has rewarded India again, this time declaring the new 2,000 rupee note the "best in the world". [...] But this is not India's first Unesco hoax. A widely-circulated mail in 2008 said it had called the Indian national anthem the "best" in the world. [...] Then a more recent hoax said that the agency had announced Narendra Modi was the "best prime minister in the world".