Airbnb’s Externalities, Sharing and Culture, PayPal Acquires Xoom

Yesterday’s discussion of Airbnb was in part focused on the broader implications of the sharing economy. Truthfully, though, Airbnb deserves more attention for its externalities — it is in many ways more radical than Uber. It’s also not clear it will work in every culture.

Then, a brief discussion of Paypal and Xoom and how different degrees of trust require different types of business models.