diff --git a/_data/ls4/talks.csv b/_data/ls4/talks.csv
index 574e5b4..bc81065 100644
--- a/_data/ls4/talks.csv
+++ b/_data/ls4/talks.csv
@@ -6,7 +6,7 @@ An [online version of slides](https://moonbase59.github.io/autocue/presentation/
 14:00,Aleksas,Tunikas,Using Randomness for fun and a no profit at all,"Some research on the art selection based on randomness, with a situation with a large library that is too big to listen to literary, for a personal and public profit. How to solve the problem with a big library, a good taste, some free time and modern open source technology.",showcase,
 14:15,Mihai,Ciurea,HLS Interstitial,An overview of not very new HLS Interstitial support from Apple.,showcase,slides/hls-interstitial.pdf
 14:30,Pierre,Depaz,Cyclic broadcasting on Dial Radio,"This talk provides an overview of the technical and social components of Dial Radio. As a worldwide broadcasting station, Dial Radio plays through a pool of user-submitted, externally-hosted playlists. The technical part goes over the technical details of the broadcasting system (LS), as well as the downloading system (Go), while the social part goes over the design choices and community events to get people to contribute playlists. As a young project (1 year), we would be looking very much forward to any feedback from the community!",showcase,slides/dial-radio.pdf
-14:45,Deer,Radio,The Story of Deer Radio,"_Deer Radio_ was probably one of the very first liquidsoap users to leverage video and YouTube streaming cababilities. During this talk, we shall revisit the history of Deer Radio, how it has evolved over the years and how liquidsoap had adapted to its needs.",showcase,
+14:45,John Chewter,The story of Retail Radio,"John will walk us through the story of Retail Radio, what it does, how he built it and what he thinks is relevant/particularly interesting to other liquidsoap users.",showcase
 15:00,Nicholas,Simoneaux,[Turbozone.org](https://turbozone.org/) Ruff Cutz Radio,"Our radio station, [turbozone.org](https://turbozone.org/), is the current primary delivery platform of a group of New Orleans artists, the _Ruff Cutz Ethical Music Collective_. I will discuss about the radio station and Liquidsoap to distribute music produced by local artists.",showcase,
 15:15,Kosa,K054,Free as libre 24/7 TV stream,"What we do at [ConerreTV](https://conerre.tv), which is gathering media from different sources (youtube, vimeo, peertube and such) and create a 24/7 video stream with it. The whole stack is yt-dlp → liquidsoap → nginx-rtmp → drupal10 → videojs.",regular,
 15:45,Sheri,Barclay,[Kpiss](https://kpiss.fm/) 2024,Tour of our site and technology and upgrades.,showcase,