What We Mean When We Say “Data Portability”
“Data portability” is a feature that lets a user take their data from a service and transfer or “port” it elsewhere. This often comes up in discussions about leaving a particular social media platform and taking your data with you to a rival service. But bringing data to a competing service is just one use for data portability; other, just-as-important goals include analyzing your data to better understand your relationship with a service, building something new out of your data, self-publishing what you learn, and generally achieving greater transparency.
Full article: What We Mean When We Say “Data Portability” | Electronic Frontier Foundation