Edited sentence: Ambiguity in the spec is a barrier to cURL support for Gemini.Gemini is praised for its simplicity but criticized for "excluding people who use ordinary web browsers".Gemini's usefulness has been said to be "dependent on the kinds of content available on Gemini and whether it appeals or not".He suggests splitting the specification into three separate parts (protocol, URL syntax, media type) and expanding each with more exact syntax descriptions and examples.In a blog post covering the technical aspects of the protocol, Daniel Stenberg believed it can work and serve its community, but included criticisms on a number of design decisions, such as its reliance on a trust-on-first-use model and ambiguity in the URL specification.Stéphane Bortzmeyer has said Gemini is retro but with modern features