[ajcp]

He never says how many actual positions he interviewed for, or at how many companies for that matter. From the article it sounds like he was counting initial phone-screens as well.

If he had applied to 20 separate job postings they could have included a technical phone-screen, a "take-home" test, and a technical interview. Still a banana's amount of engagement for someone to receive in just 30-days though.

That being said and looking at the writer's LinkedIn profile he does appear to have a stellar resume, solid experience, and a large network.