Welcome to TechCrunch daily news, a round up of the top tech news of the day. -- Three arrests are made following this month\u2019s celebrity Twitter hack -- Microsoft may be working to acquire TikTok\u2019s U.S. business -- and Facebook launches licensed music videos. Here\u2019s your Daily Crunch.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices