My last venture, BackType, began at Y Combinator in 2008. We believed that conversations were becoming a valuable subset of information on the Internet, so we set out to organize that information in new and interesting ways. BackType became a SaaS analytics company that helped quantify the marketing value of social media. The distributed data processing work we did to build the BackType product became the basis for the Lambda Architecture. In 2011, BackType was acquired by Twitter, where I became one of the first product managers for advertising, responsible for all reporting and analytics until I left in 2014. At Twitter, I also helped open source, Storm, a distributed realtime computation system developed at BackType. Storm was declared a Top–Level Project by the Apache Software Foundation in 2014, and it’s now used by companies like Alibaba, Apple, Samsung, and Uber.
Describe the most impressive thing you've done.