I am so impressed with Perplexity. Info junkie here. Truly, I ask "anything" several times a day. I ALWAYS get a helpful answer that often sends me down another rabbit hole, but frequently I get just what I need in a couple of seconds. Just a bit ago, Perplexity found me a highly recommended specialist in my area who takes my medical insurance (something I couldn't make work on the insurer's site or Google), and how to cancel an auto-paid secondary app account without also killing off the primary account that has 10 years of data in it, which the app itself didn't explain. I ask for recipes, historical info, geography, science, how-to tips, anything I'm wondering about, like "How is the shell of an egg formed?," which led me to how chicken coops work (it's more interesting than you think). Very conversational, too: If I say thank you, it not only says you're welcome, it continues, "Now let's see …" and sends me deeper into the subject. I like that!The reason I'm giving Perplexity only 4/5 is that it's said to have some security vulnerabilities the company has not announced it's trying to fix. I love the app so much, I'm using it anyway, but being careful what I reveal about me and my data and interests. Same goes for Google, Facebook, etc. These days you just can't get away from the hacker syndrome, but we have to count on app providers to at least make an effort. Other than that, solid 5/5.