The coronavirus crisis has exposed a crucial weakness in Airbnb's business model and it's likely to haunt the $31 billion company's IPO plans

· Airbnb was long thought to be the standout among Silicon Valley's giant startups, thanks largely to its "asset-light" business model that helped it post regular profits.
· But the coronavirus pandemic seems to have exposed a flaw in its model — customers want it to be responsible for cancellations, but it has to balance...