Marcos Galperin, who founded e-commerce giant MercadoLibre and built it into Latin America's most valuable listed company, will step down as CEO at the end of the year, the company said on Wednesday.

Elon Musk's artificial intelligence company, xAI, says an “unauthorized modification” led its Grok chatbot to post unsolicited claims on social media about the persecution and “genocide” of white people in South Africa.

Elon Musk’s tenure as head of the US Department of Government Efficiency (DOGE) under the Trump administration, which ended in May 2025, was marked by ambitious goals, significant controversy, and mixed results.

Responding to our query, Grok admitted that its "accuracy depends on available online data, which may include errors or biases."

Anti-LGBTQ+ Rep. Marjorie Taylor Greene (R-GA) spent the start of her Memorial Day weekend arguing with Grok, the AI chatbot on the social platform X, after it said that she doesn’t act like a Christian.