I love seeing Cloudflare blog posts using Radar, an initial version that me and a few others built very very very quickly with the remit of what would cool stories would you be able to tell if you had access to the firehose of traffic data going through CF. 

https://blog.cloudflare.com/uk-election-day-2024-traffic-trends-and-attacks-on-political-parties

I built the first versions UI on my own because all other engineers had been pulled into big birthday week projects and I think I got the final endpoints about 3 days before we were announcing it.