Airbnb, an online marketplace for renting out rooms and homes, is a $2.5 billion company, according to Bloomberg.  But in the company's early days, Airbnb founder and CEO Brian Chesky had a hard time convincing investors to back his company.  At one point, Chesky was asking for $100,000 in exchange for a 10 percent stake in the company, Bloomberg's Adam Satariano reports. But Chesky couldn't seem to get anyone to bite. In fact, one investor even walked out mid-pitch, leaving his half-finished smoothie behind.  Today, that investment would be worth roughly $250 million — ... Read More