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On January 31, 2025, Perplexity was sued for alleged trademark infringement by Perplexity Solved Solutions (PSS), a software firm founded in 2017. [35] The lawsuit, filed in the United States, claims that Perplexity AI's use of the name "Perplexity" violates PSS's federally registered trademark, potentially leading to consumer confusion.
Readability is the ease with which a reader can understand a written text.The concept exists in both natural language and programming languages though in different forms. In natural language, the readability of text depends on its content (the complexity of its vocabulary and syntax) and its presentation (such as typographic aspects that affect legibility, like font size, line height ...
Personal free writing is the practice of writing what one is thinking without considering organization or grammatical errors. In a study done by Fred McKinney, free writing was defined as letting one’s thoughts and words flow onto paper without hesitation. [21] This can be done in the format of letters or even a personal notebook.
Perplexity AI is valued at $520 million. Google’s market cap is nearing $2 trillion. Perplexity’s CEO thinks he can take them on by being better.
For example, if you have two choices, one with probability 0.9, your chances of a correct guess using the optimal strategy are 90 percent. Yet, the perplexity is 2 −0.9 log 2 0.9 - 0.1 log 2 0.1 = 1.38. The inverse of the perplexity, 1/1.38 = 0.72, does not correspond to the 0.9 probability.
Perplexity is “one of the few consumer AI products to reach this major milestone of 10 million MAUs,” said Jonathan Cohen, VP of applied research at Nvidia, in the January funding announcement.
Popular AI search engine Perplexity is debuting new shopping tools that it hopes will make its service a destination for product recommendations—and maybe even actual purchases. The startup is ...
Some examples of what it can do: Look up a topic; Answer a question; Create a table; Reformat a table that you provide; Write a program (it can write programs in about 20 programming languages) Write a userscript; Write a lua module; Explain what a program does, line by line; Improve or refactor a program, userscript, or lua module