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Amazon has quietly but decisively changed how it rates its employees, which means that the company's internal culture is getting more demanding. After a year of big layoffs and changes to the company's structure, employees are now being asked to write down three to five specific things they did well in the past year as …

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US has renewed its attack on the oil sector of Venezuela and has given another wave of sanctions that highlight the intent of Washington to suffocate one of the most important sources of income of the government of President Nicolás Maduro. The most recent actions are against four firms that are alleged to be conducting …

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The artificial intelligence a start-up xAI headed by Elon Musk is scaling its processing base fast, indicating that the company is as committed as it can be to entering the world of artificial intelligence at the highest level possible. As the third big building to grow compute capacity is acquired, xAI is already establishing itself …

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Amazon's idea of regular drone delivery has always been somewhere between a promise of the future and a reality that can be used. The company's recent decision to stop its commercial Prime Air drone delivery operations in Italy makes that tension even clearer. It shows how even well-funded, high-tech projects can have problems when rules …