This week Tech Tent speaks to TikTok stars Chloe and Tabby Tingey - aka the Sugarcoated Sisters - about transferring their act to the Edinburgh Fringe and a real life audience. Reporter Alaisdair Keane finds out how organising festivals is increasingly reliant on tech too. We also digest China's decision to force its biggest tech firms to share their algorithims with regulators in the name of data safety. And we talk death tech and digital zombies with Dr Debra Bassett.