Elon Musk gives Twitter employees Thursday deadline to decide job fate

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.

Musk said Twitter will be much more engineering-driven, with employees who write great code comprising the majority of the team.