The wildly popular Internet site is divided into thousands of special sections, or subreddits, that focus on everything from Argentina to zombies.

FORBES: The 4,000 Tribes of Reddit: Who Are These People?

The focus this year is on the poorer provinces in the north of Argentina where maternal deaths are highest.

BBC: Debate over legalising abortion intensifies in Argentina

The focus now switches to the women's Hockey World Cup, to be held in Argentina in late August and early September.

BBC: Champions Trophy: England beat Germany to take bronze