I watched the ElixirConf 2019 keynote [1] as soon as it came up. While I was left excited about Lumen in general, I wasn't entirely sure what kinds of things Lumen would be most useful for.
Being able to ship a single binary (like with Go or Rust) sounds handy, but shipping a tarball hasn't been that much of a challenge either. Being able to run BEAM code in the browser also sounds handy, but due to size issues I probably wouldn't want to ship the entire BEAM to my users either, right?
Can someone with a more thorough understanding of Lumen share some thoughts on this?