Add to README link to YouTube recording of talk

[skip ci]

Author: giordano

README.md

@@ -24,5 +24,6 @@ For examples of usage of this package, see the [`examples/`](https://github.com/
 Here is some material that you may find useful for learning more about Julia on the IPU and trying it out yourself:
 
 * [Pluto notebook](https://giordano.github.io/blog/2023-07-20-julia-ipu/) of presentation given at Graphcore and at JuliaCon in July 2023
+* Talk "[Julia meets the Intelligence Processing Unit](https://www.youtube.com/watch?v=-fxB0kmcCVE)" at JuliaCon 2023
 * [JuliaIpuDemo](https://github.com/JuliaIPU/JuliaIpuDemo), repository with instructions for running some Jupyter notebooks on Paperspace cloud.
   This service offers also IPU time for free, these sessions are limited to 6 hours each and one at the time, but you can run as many as you want.