hello and welcome to the week in tech. it was the week that samsung unveiled their new foldable smartphones. facebook took action to shut down an anti—vaccine influencer campaign. and a student proved that twitter�*s algorithm was biased towards lighter, slimmer and youngerfaces. the company paid them $3500 reward as part of their algorithmic bug bounty. also this week we've seen one of the biggest cryptothefts in history. cryptocurrency platofmr poly network lost over $600 million in one of the sector's biggest ever cyber heists. apple faced criticism after introducing an update which scans iphone pictures before they are uploaded to icloud. it was introduced as a tool which can flag cases of child sexual abuse, but critics say it could be a privacy risk and a security back door.