On Feb. 2, when Meta Platforms reported Facebook's first-ever quarterly drop in daily users, its finance chief identified higher mobile data costs as a unique obstacle slowing growth in India, its biggest market.

On the same day, the U.S. tech group posted the findings of its own research into Facebook's business in India on an internal employee forum. The study, conducted over the two years to the end of 2021, identified different problems.

Many women have shunned the male-dominated social network because they're worried about their safety and privacy, according to the Meta research.