Musk to remaining Twitter staff: Go ‘hardcore’ or leave

Elon Musk says Twitter is a software and servers company at its heart and wants employees to decide by Thursday evening if they want to remain a part of the business, according to an email the new owner sent to Twitter workers. Musk wrote that employees “will need to be extremely hardcore” to build “a breakthrough Twitter 2.0″ and that long hours at high intensity will be needed for success.