Imagine requesting service from a criminal, writing your travel itinerary and sending money to them all before finding that the place you may share for six days on a hard-earned vacation abroad doesn’t exist. It’s not exactly what Airbnb, the technology company filing a $30 billion valuation for its IPO that will compete with hospitality stocks like Marriott International Inc this December, promotes. Airbnb claims to be “[c]reating a world where anyone can truly belong [and that] requires a foundation of trust.”