India, Nov. 16 -- That Twitter is a hub of hate-fuelled rants, usually directed against some individual or organisation, and encourages a toxic, mob mentality in its millions of users, is not a matter of contention any more. But no one really thought, until last week, that the people who actively used the platform were going to quit it. After a few days of debate on Twitter about its inadequate and opaque policies on hate speech, caste bias, and suspension policies for individual accounts, many Indian users decided to #BoycottTwitter and move to a social network called Mastodon. This was the upshot of Twitter suspending the account of Supreme Court advocate Sanjay Hegde (twice), without adequate explanations. Users first threatened a 24-hour boycott, and then eventually decided to move en masse to Mastodon (or at least stayed on both for the moment). As several influencers set up Mastodon accounts, thousands of others joined the move, and Mastodon became a top trend on Twitter....