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The Twitter look-alike Bluesky, started by the former Twitter chief executive Jack Dorsey, is doing the impossible: making social media fun again.

Then, A.I. is coming for jobs but not in the way you think.

Plus: Kevin and Casey moonlight as advice columnists in a new Hard Fork segment called Hard Questions.

Additional reading:

• Bluesky is vying to replace Twitter.
• IBM announced a pause in hiring, anticipating that A.I. would replace thousands of jobs at the company in the coming years.
• The chief executive of the education company Chegg said student interest in the chatbot ChatGPT was hurting its sales.