Surprise? Elon Musk's $8 Twitter Blue hasn't made very much money so far.

Twitter has descended into absolute chaos in recent days as its new owner, Elon Musk, chases his new revenue stream: Twitter Blue, the platform's refurbished paid user subscription.

When asked by a Twitter user to confirm how subscription numbers were going, Musk simply replied, "Needs some tweaks, but overall proceeding...