Airbnb is a good startup but the founders struggled so much at first without gaining any significant traction. And even with PG's endorsement they still had tro

Airbnb is a good startup but the founders struggled so much at first without gaining any significant traction. And even with PG's endorsement they still had trouble getting funding from a progressive-minded VC. I wonder if they (Airbnb's founders) could make it to this point without YC.