The apartment is perfectly located for my visit to friends in Harvard. I got a wrong passcode for key retrieval upon arrival at 9pm, but the host who was out of the country for biz then was very responsive to addressing my concern even it was very early in the morning for her.

Although there is always room for improvement for the apartment, the host is just as best as you can get -- during our casual conversation, she even helped me land the email address of an HBS graduate who has a biz that drew my attention, a critical clue that led to my meeting this company founder at his office the next day. Just as I imagined before deciding to give airbnb a try over hotel stay, airbnb is likely to expand into a platform of communities serving the mutual needs and wants of people with similar traits and interests.