OK, there is no "they" and "they" wouldn't care if you knew anyway. After all, this isn't a blog about really important stuff like investing, acne cures, or cheap natural cleansing products.
But the secrets are real. Super cloud scaling consultant Kent Langley has put together a comprehensive checklist to consider when developing for the cloud:
Please follow the link to Kent's post for a full explanation. To some this may seem obvious, but that doesn't mean it gets done. Good helpful stuff.