http://www.test.bbcnewsd73hkzno2ini43t4gblxvycyac5aw4gnv7t2rccijh7745uqd.onion/news/technology-64797355
Although it irks privacy experts, most of us accept that handing over swathes of private data is the deal we make with social networks. In exchange for giving us their services free of charge they gather knowledge about us and use it to sell advertising on their platform, or sell our data to other firms trying to advertise to us elsewhere on the internet.