This week: Iran suffers internet blackouts and mobile phone outages as protestors mount angry protests against the country's morality police. Will it help stifle dissent? Wikipedia on their competition to find the sound of all human knowledge. And how one man is still going strong in the floppy disk business.
The Merge: A cryptocurrency revolution
This week on Tech Tent: the Merge - Ethereum, the world's second biggest cryptocurrency, attempts the Merge, a radical new operating model that cuts its energy usage by 99%. Will it work - and how will it reshape crypto? Also - how a carrot emoji became a cover for covid disinformation. And the biggest, brightest satellite ever launched - will it change our relationship with the night sky?
Apple tries to build back the buzz
On Tech Tent this week Silicon Valley reporter James Clayton joins us from Apple's new product launch in Cupertino, California. We hear from the British firm which is ahead of the pack when it comes to making satellite phones mainstream. We interview a senior figure at Cloudflare about the Kiwi Farms controversy. The co founder of an anti crypto conference tells us why he thinks the event was necessary. And art, made in the studio - with the help of some AI.
India's high speed broadband revolution
On Tech Tent this week, we hear about India's ambitions to build the world's fastest 5G network - and why WhatsApp is launching a grocery shopping service there. British regulators take a dim view of Microsoft's plan to buy Activision Blizzard. We ask young people what the appeal of BeReal is. And we meet the talking, humanoid robot helping children open up about how they really feel.
More trouble at Twitter
On Tech Tent this week, reporter Chris Vallance runs us through the serious allegations about lax security levelled at Twitter by its former employee Peiter "Mudge" Zatko. Dr Jon Roozenbeek, of Cambridge University, explains how educating people about how misinformation works appears to be an effective way of informing their online experience. And the makers of a voice changing technology respond to accusations it is increasing prejudice rather than addressing it.