Soccer superstar C Ronaldo invests in Perplexity AI.

Soccer superstar Cristiano Ronaldo has purchased shares in the American artificial intelligence startup Perplexity AI. According to the Bloomberg Billionaires Index, Ronaldo, who currently plays for the Saudi Al-Nassr team, has a personal net worth of approximately $1.4 billion. Perplexity AI has signed a global partnership with Ronaldo and launched a "Cristiano Ronaldo interactive zone" within its search engine, allowing fans to ask real-time questions and generate personalized content.