Like its fellow Mata-owned platform Facebook, Instagram is banned in a number of countries, including Russia, North Korea, Iran, Bangladesh, China, and Turkmenistan, as illustrated in the map below.

Hindus, who make up about 8% of Bangladesh’s population, have been targets of political violence since Bangladesh, then East Pakistan, moved to break away from West Pakistan in 1971.

But the fledgling country was beset by disease and poverty. Up to 10 million people became refugees. What a difference 50 years makes. In the half-century since its creation, Bangladesh has made a ...