he mechanism to transfer tabular data between platforms has evolved incredible fast, and between all the options there's only one 'universally' accepted data format: CSV, an ancient format that has survived all kind of hype, trends and attempts of let them go... but it's not going anywhere on the near feature.
In this talk we will explore how and why is still important for any kind of system that need to communicate with the outside world. We will learn how the OpenData initiatives has impulse their use and why you will use it at some point because the one reason: Microsoft Excel.
CSV is so important that have their own annual international conference. And ruby has an fast and super useful library that handle just fine out of the box.