Miami is now officially home to its first unicorn. : On Monday, ParkJockey, founded in 2013 by entrepreneurs Ari Ojalvo and Umut Tekin and based on Brickell Key, announced an investment by Japanese conglomerate SoftBank. The companies declined to state the exact figure, but according to sources familiar with the matter, the investment is in the hundreds of millions, making ParkJockey worth more than $1 billion.