What is your take on content-provider web-service startups (e.g. Yelp) exposing an API to their content? How does it affect the business model of the service and how can you monetize it? What benefits does the API add to the services?
On one hand, it's great to have an API that external developers use to make their own mashups and target platforms that the startup doesn't have experiences/resources building (e.g. android, iphone), and get the brand name out. On the other hand, they make it easier for scrapers to "steal" the content and hinders the typical business model of advertising.