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Browse all →I am the Head Disruptor at Caloroga Shark Media and the mayor of Audio Island Some thoughts about the podcasting and radio industries that might differ from the usual groupthink....but this substack has no rules so I might write about Star Trek.
Media Thoughts by John McDermott (Caloroga Shark Media)'s metrics, benchmarks, and sponsor data in one document
200
Bottom 25% in Media
substack
Media
0.25%· ~1/post
(comments + likes) / subscribers
vs 0.00% category avg
~2x per week
2.0 posts/week avg
vs 1.2/week category avg
$5/mo
Category avg: $6/mo
810
newsletters in Media
Bottom 25% in Media
out of 810 newslettersPublishing Frequency
~2x per week
Last published Mar 26, 2026
2.0 posts/week avg