TECH CRUNCH - Clubhouse, Vimeo, and DoubleVerify are among a clutch of tech companies and organizations preparing to sign up for a beefed-up version of the European Union's Code of Practice on Online Disinformation. "Substantial additional efforts are needed to reduce the flow of harmful misinformation, as illustrated by recent electoral campaigns and by the signatories' reports on the COVID-19 disinformation monitoring program," the EC writes in a press release.