They had a chance to become profitable and started taking away suscribers from netflix... there is a great podcast by Wondery on this https://youtu.be/qaDGUdJSlb0
I recall buying DVDs from kozmo in 1999 and having them delivered by bike messenger to my office.
I was on a flight with the founder in 2000 one time telling them how much I loved it and making suggestions about what is love to see, but also expressing how surprised I was that they could make a profit... They folded soon after...
I still remember the last time I bought from them: Ran on DVD
I liked the sound assist. I actually prefer this to a regular podcast format, which tends to get monotone sometimes. Reminds me a little bit of https://www.youtube.com/watch?v=ibuiUXOTE4M
Amazon is benefiting from decentralized local retail stores. 90% of goods a person needs can be located within 15 mile radius. Instacart or Uber needs to setup a central inventory system that locals can shop and get their products within 1 hour instead of 2 days.