Batch or API? Most likely, both.
Email is a Top Channel, but Unfair to Compare on ROI.
Acquisition or retention has a big impact on ROI.
How to Improve Email Deliverability
Get more emails in inboxes
WTF are Marketing Channels?
Categorize your traffic and sleep easy at night.
Building a Great Email Schema | Part 2: Data Wishlist
Be one with your data and your data will be one with you.
Building a Great Email Schema | Part 1: What kind of data?
Data is targeting. Targeting is data. Set yourself up for success.