giant shoe, slick dance moves, and a guy in a leopard suit. the company throws blowout parties, provides free health care for all employees, and keeps a full-time life coach on staff. >> we know for a fact if a person is happy personally, they are also happy professionally. >> happiness is great for business. in 2008, zappos hit $1 billion in sales and hasn't looked back. the growth has been driven by word-of-mouth recommendations and repeat customers. in 2010, the company received 25,000 job applications for 250 openings. that makes zappos more selective than harvard. >> my name is tyler. i'm trying to get a job with you guys. i wrote a little song based on your 10 core values. ♪ you can be a little weird if you are humble. ♪ grow and learn while having fun.