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I will never forgive twitter for this catch and kill of a platform so full of life

Perhaps because they already had Periscope that no one used. It was a "buy competitor to kill it" play that didn't have the desired effect.

Amusingly Periscope was their clone of Meerkat which was briefly popular before they killed it.

Periscope was in closed beta when Meerkat launched. Neither was a clone of the other. Just two teams with the same idea at the same time.