Author here. Haha yes I write on experimental techniques like carousels mainly to get developers curious into the kinds of stuff they can do with just CSS.
I'm very aware of Outlook's backward HTML support, but at least its a single client. With Gmail, each of their clients has weird quirks that make it frustrating to code for.
As developers sometimes creating HTML emails are necessary, such as creating system generated reports for business users. Right now, the process is fraught with issues - including figuring out Outlook, so fixing this does not just benefit email marketers alone.
I'm very aware of Outlook's backward HTML support, but at least its a single client. With Gmail, each of their clients has weird quirks that make it frustrating to code for.
As developers sometimes creating HTML emails are necessary, such as creating system generated reports for business users. Right now, the process is fraught with issues - including figuring out Outlook, so fixing this does not just benefit email marketers alone.