Rails in RealtimeUpdate: We’ve written a complementary post that goes into more depth. Read this first and then check out Rails in Realtime, Part 2. LayerVault is built using the popular web framework, Ruby on Rails. The framework, at times known for its divisiveness, has allowed LayerVault to grow from a single box to a swarm of machines over the past year. Recently, there has been a wave of great JavaScript-base
