Double Robotics

Double Robotics is a technology startup company that produces iPad-based telepresence robots called Double and Double2. Double, which resembles a Segway PT, has a price of $2,499. 
The robot uses gyroscope and accelerometer sensors in its base, and can be controlled with a desktop, tablet, or smartphone.
Double Robotics received seed funding from Y Combinator. Johnson & Johnson and The Coca-Cola Company are testing Double and seven Fortune 500 companies have preordered. Preorders total over $500,000. Customer deliveries began February 2013.
As of January 2017, the company claims about 8000 robots being sold since 2013.
In August 2019, the company debuted the Double 3, a robot intended to increase productivity of remote workers and distance learners.