It's also one of very few changes I've seen (one of which was changing the icon and word for the favorite/like action [which was a breaking change as far as I'm

It's also one of very few changes I've seen (one of which was changing the icon and word for the favorite/like action [which was a breaking change as far as I'm concerned; it changed the semantics of past discussions and eliminated the personal bookmarking aspect]). I cannot imagine what Twitter is spending its time doing.