A startup called Perplexity AI, which is supported by Jeff Bezos, the founder of Amazon, made a special computer program that can help people find information faster and easier on the internet. They got a lot of money from different investors, so now they are worth more than $1 billion. This makes them very important in the world of technology and they are called a unicorn because it's like finding a rare horse with magical powers. Their program is different from other search engines like Google because it can talk to you and give you shorter answers that are still good. Some big companies like Nvidia, SoftBank, and Jeff Bezos himself also believe in this startup and gave them more money to keep growing. Read from source...

- The title is misleading and sensationalist, implying that Perplexity AI is the only startup challenging Alphabet Inc. with its AI-driven search engine, while there are many other competitors and projects in the field.
- The article does not provide enough context or background information on Perplexity AI, its founders, its technology, its goals, or its vision, making it difficult for readers to understand what makes it unique or different from other AI search engines.
- The article uses vague and undefined terms such as "more than doubled its valuation", "more than $63 million" without specifying the exact amounts, dates, or sources of the funding round, which reduces the credibility and accuracy of the information.
- The article relies heavily on quoting statements from investors, celebrities, and executives who are involved in the funding round, without providing any independent analysis, evaluation, or comparison of their opinions, motivations, or expectations. This creates a bias towards positive and favorable views of Perplexity AI, while ignoring potential risks, challenges, or criticisms that may exist.
- The article exaggerates the impact and success of Perplexity AI's AI chatbot, by claiming that it "provides users with summarized search results, citations, and helps refine queries", without providing any evidence, data, or examples to support these claims. Moreover, the article does not mention any user feedback, satisfaction, or engagement metrics, nor any comparison with existing search engines or AI chatbots that may offer similar or better features and services.
- The article ends with a promotional call-to-action for subscribing to Benzinga Tech Trends newsletter, which is irrelevant and inappropriate for the main topic of the article, and may be seen as an attempt to manipulate or influence readers' behavior or decisions.

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Summary:
Perplexity AI, backed by Jeff Bezos and Nvidia, raises $63 million in its latest funding round, more than doubling its valuation to over $1 billion. The startup provides an AI-driven search engine that offers summarized search results, citations, and helps refine queries. Existing investors like SoftBank Group Corp., Nvidia Corp., and Jeff Bezos have "doubled down" on their support.