TC Roundup: Huawei, Ericsson and Nokia race to develop 5G mobile technology

Huawei, Ericsson and Nokia race to develop 5G mobile technology: The gleaming metal and glass 5G laboratory being assembled on a campus at the University of Surrey, a few miles outside Guildford, speaks to British ambitions when it comes to building the next generation of mobile internet technology. (Financial Times)

Uber office raided by police in China, accused of running 'illegal' car business: Uber's office in the southern Chinese city of Guangzhou was raided by authorities last night, according to a number of Chinese media outlets. (Tech In Asia)

Apple confirms tattoos can affect Apple Watch's heart rate sensor readings: Apple has updated its Apple Watch support documentation, confirming that the device may have issues when worn by users who have wrist tattoos.

The changes were added following a series of reports from new Apple Watch owners who found that their tattoos seemed to interfere with the smartwatch's ability to track their pulse or cause other problems. Apple now says that permanent and temporary changes to your skin, including the ink used in tattoos, can impact the heart rate sensor's performance. (Tech Crunch)

Stop oversharing your Facebook information: You're probably oversharing your Facebook information, and there's an easy way to fix that.

One year ago, the social network superpower announced changes to its login API, the technology app developers use so that users can easily create accounts on their apps using their Facebook accounts. (Recode)