Oversee.net monetizes high volume traffic at 250M unique visitors per month. Over the past year we are building out new travel, consumer finance and social marketplace niche verticals using Ruby on Rails. Other cool technologies we live and breath by: Responsive with Twitter Bootstrap, iOS ObjectiveC and Android Java, MongoDB, MySQL, Memcache and Hadoop. We scrum and foosball a lot in our office with a great view in Downtown LA.