“When Yelp first took off, our rankings on Google would fluctuate wildly.” — Jeremy Stoppelman

Choose something you are passionate about - or a pain point that has affected you and that you feel really needs to be changed.

About every year or two, there is a moment of truth where there's some new development in the marketplace, some new technology, some sort of existential crisis. You just have to be vigilant about looking out for those moments.

I think with every successful consumer Internet business, there will be lawyers that are interested in going after your company, especially when they think that there's a financial incentive.

I think by paying attention to the feedback that you get on Yelp, you can very quickly integrate it into your business... The really savvy folks out there, they don't necessarily take anything negative personally, but use it as constructive feedback and adjust their business.