Elon Musk first promised that a Tesla robotaxi network was coming in April 2019. Back then, the billionaire was envisaging a fleet of autonomous Tesla cars that could ferry people around town whenever they weren’t needed by their owners.

Tesla was once the red-hot center of car innovation, but now it feels at risk of sinking into irrelevance as just another auto maker. Its coming Robotaxi Day may be Elon Musk’s last chance to convince investors that Tesla still has it.

Tens of thousands of dockworkers went on strike Tuesday morning over wages… and automation. Last year, Hollywood writers went on strike over payment plans… and artificial intelligence. Other labor groups are pushing state legislatures to ban the use of driverless trucks.