Live audio app Clubhouse has removed its invite system so that anyone can join the platform, it said on Wednesday. The social app, which saw explosive early growth during the COVID-19 pandemic, previously required people to be invited by an existing user or request to join a waitlist. It said in a blog post that it had always planned to open up the app but that invites had been a way of tempering user numbers.

The Australian antitrust regulator on Thursday kicked off an inquiry into the local units of Amazon.com Inc, eBay Inc and other online markets to ensure fairness in a sector where sales have soared through the coronavirus pandemic. The ACCC will examine the relationships between large online markets and third-party sellers and shoppers, including competition impacts and handling of data, complaints and reviews.

Gold has remained one of the most prolific metals that humans use every day. It has been used for coinage, jewellery and other arts throughout human civilisation. The yellow metal at one point was the basis of our modern cash system. But there is more to gold than just glitter. Here are 12 surprising facts about the precious metal that you probably didn’t know about. 

Amazon is tired of ringing doorbells. The online shopping giant is pushing landlords around the country sometimes with financial incentives to give its drivers the ability to unlock apartment-building doors themselves with a mobile device. The service, dubbed Key for Business, is pitched as a way to cut down on stolen packages by making it easy to leave them in lobbies and not outside.