Elon Musk Twitter Rant

After his call to either be “extremely hardcore" at work or quit, Elon Musk has converted rooms at Twitter headquarters in San Francisco into small bedrooms, featuring unmade mattresses, drab curtains and giant work monitors, the media…

(Reuters) -Tesla Inc top boss Elon Musk revealed a 9.2% stake in Twitter Inc on Monday, likely making him the biggest shareholder in the micro-blogging site and triggering a 23% rise in its shares.Musk's move comes close on the heels of his…