SmileDirectClub’s former CEO is back with a new dental startup called Tend – TechCrunch

A growing number of newer dental brands has been attracting money from venture investors who are still kicking themselves for missing runaway hits. Most notable among these breakout companies is newly public SmileDirectClub, which sells teeth-straightening products directly to consumers and is beloved by analysts even though its shares have slipped since its September IPO.…

Apple pulls HKmap from App Store, the day after Chinese state media criticized its “unwise and reckless decision” to approve it – TechCrunch

Less than a day after Apple was criticized by Chinese state media for allowing HKmap in the App Store, the crowdsourced map app said it had been delisted. Its removal comes less than a week after Apple reversed its initial decision to reject the app, which provides information about the location of pro-democracy demonstrations, street…

You Gave Your Phone Number to Twitter for Security and Twitter Used it for Ads

After exposing private tweets, plaintext passwords, and personal information for hundreds of thousands of its users, here is a new security blunder social networking company Twitter admitted today. Twitter announced that the phone numbers and email addresses of some users provided for two-factor authentication (2FA) protection had been used for targeted advertising purposes—though the company…