But the Japanese giant has other projects in the works, too. Whiz is the company's newly released robot vacuum. SoftBank calls it a "fully autonomous vacuum sweeper," similar to a Roomba ...

Softbank, the Japanese firm behind WeWork and Uber, has launched a self-powered machine, dubbed The Whiz, at a hefty price tag of $499 (£381) a month. Softbank says its robot is meant to replace ...