Emily Sundberg / Feed Me:Substack co-founder Hamish McKenzie is launching a biweekly column on Lachlan Cartwright's Breaker, a publication hosted on Substack rival beehiiv — Good day to be the CEO of beehiiv. — ∙ Paid — Good morning everyone. Your song of the summer might be Sabrina Carpenter's Manchild or Morgan Wallen's What I Want.