Bloodhound had everything going for it. TechCrunch once hailed the tradeshow app as "genius" and Peter Thiel lead a $3 million investment round in the "blowing up" company. So when a landlord drove out a popular arts collective from its home in the heart of the San Francisco's Mission District, Bloodhound was quick to sign as the new tenant. Fifteen months later, the company is out on the street and being sued for unpaid rent.