"A year ago this week, when he completed the purchase of Twitter for $44bn, Elon Musk tweeted “the bird is freed”. Billionaires like nothing more than casting t

"A year ago this week, when he completed the purchase of Twitter for $44bn, Elon Musk tweeted “the bird is freed”. Billionaires like nothing more than casting themselves as popular liberators, but the acquisition fitted the pattern of his ever-expanding empire."