Twitter Is Testing Out Disappearing Tweets

The modern social web is a place of impermanence. Posting in perpetuity is passé; the fixed feed has mostly given way to ephemeral stories. Snap, Facebook, Instagram, and even LinkedIn have introduced temporary, self-deleting posts. Now Twitter is joining their ranks.“Starting today in Brazil, we’re testing Fleets, a new way to start conversations from your…

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With Covid-19, Tech Is Making History Repeat Itself

I have been a professional epidemic watcher for nearly 30 years. I’ve researched seven centuries of pandemics. Yet ever since late January, I have been gobsmacked by the Covid-19 crisis. This surreal disbelief began with the news of China imposing a draconian quarantine on its people—first in Wuhan, where the epidemic began, and then 14…

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