New platform co-ops are proliferating throughout the online economy. Fairmondo is an Amazon-like marketplace in Germany, owned by its users and committed to fair trade; a UK franchise is under way. Loconomics, now getting its start in the Bay Area, is a platform for short-term service gigs co-owned by the workers. Resonate is an effort to create a music-streaming platform owned by musicians, labels, and fans alike. MIDATA.coop, in Switzerland, is developing an online cooperative for medical data, granting users more clarity and control over how their data get monetized and who gains access to them.