Facebook provides an alternative media channel in state-media-dominated nations, a community organising tool, and a convenient way for simply keeping in touch with friends and relatives. It’s also an effective tool for advertisers. But what are consumers trading for this service? And how can technologists build a future that betters humanity? Your data on Facebook Facebook collects data on you in at least five ways: What you provide: for example, photos, videos, every news item you like, sh...