https://kateprebble.com/Essays and working notes. https://medium.com/@kprebb/the-shrinking-case-for-quantum-networking-0bd244595430https://medium.com/@kprebb/the-shrinking-case-for-quantum-networking-0bd244595430Tue, 17 Feb 2026 00:00:00 GMTBigger single-chip quantum computers and better error correction are eroding the thesis behind quantum networking startups. https://medium.com/@kprebb/quantum-decacorns-the-good-and-the-bad-1ecc7e779bc2https://medium.com/@kprebb/quantum-decacorns-the-good-and-the-bad-1ecc7e779bc2Mon, 22 Sep 2025 00:00:00 GMTWhy $10B valuations for pre-revenue quantum computing companies make me uncomfortable. https://medium.com/@kprebb/the-power-of-a-global-mandate-7032caf486bchttps://medium.com/@kprebb/the-power-of-a-global-mandate-7032caf486bcMon, 04 Aug 2025 00:00:00 GMTWhy the best venture capital firms look beyond borders. https://medium.com/@kprebb/pricing-acceptability-vs-competitive-advantage-e530307d1cfdhttps://medium.com/@kprebb/pricing-acceptability-vs-competitive-advantage-e530307d1cfdWed, 07 May 2025 00:00:00 GMTA price customers can't accept disqualifies a startup, whatever its cost advantage. A case study in quantum computing. https://medium.com/@kprebb/a-recipe-for-indulgence-science-nerds-and-the-power-to-request-a-deep-dive-8dcb3e5f5ef5https://medium.com/@kprebb/a-recipe-for-indulgence-science-nerds-and-the-power-to-request-a-deep-dive-8dcb3e5f5ef5Thu, 24 Apr 2025 00:00:00 GMTDeep tech investors can't fully understand the technology they back, and don't need to. https://medium.com/@kprebb/why-do-investors-put-their-money-into-projects-that-are-commercially-doomed-29f83e4f3721https://medium.com/@kprebb/why-do-investors-put-their-money-into-projects-that-are-commercially-doomed-29f83e4f3721Wed, 16 Apr 2025 00:00:00 GMTSix reasons capital flows to quantum computing companies that aren't commercially viable. https://medium.com/@kprebb/why-has-the-commerciality-of-quantum-computing-been-ignored-ae15cd25bc30https://medium.com/@kprebb/why-has-the-commerciality-of-quantum-computing-been-ignored-ae15cd25bc30Wed, 16 Apr 2025 00:00:00 GMTSome reasons the economics of quantum computing hardware have gone unexamined. https://medium.com/@kprebb/analysing-the-commerciality-of-quantum-computing-f84ac07ada22https://medium.com/@kprebb/analysing-the-commerciality-of-quantum-computing-f84ac07ada22Thu, 10 Apr 2025 00:00:00 GMTWhat will a useful quantum computer cost to build and run, and what will customers pay for it?