26 November 2019 - Twitter will begin deleting accounts that have been inactive for more than six months. The firm would not say how many current accounts fit the criteria, although it is expected to be in the many millions. - https://twitter.com/brainstorm_solu/status/1285545163989766144

27 November 2019 - Twitter paddles back and halts plan to remove inactive accounts until it can memorialize dead users. - https://twitter.com/brainstorm_solu/status/1285547495708258307

June/July 2020 - Twitter silently starts to remove bulk numbers of accounts - in use but not high-frequency accounts! The famous "...violate the Twitter rules" works for about anything. It's a private company that can do as they wish. Wonder if @Jack
agrees to that. The image on display originates from an account 10 years old with less as 500 tweets, They NEVER EVER violated any rules!! - https://twitter.com/brainstorm_solu/status/1285549374706089987