A recent report from cross-channel marketing platform Yes Lifecycle Marketing suggests that 21 might be a magical number in email marketing. Read the whole story

ProtonMail encryption users can now pay for the service in Bitcoin. Read the whole story

We've all had them: the conversation with a colleague who says, "Why can't we just keep sending campaigns to everyone in the email database? … Read the whole story

Conventional analytics in many cases are far more useful when dealing with relatively small, slow moving, and structured (simple) data sources. Read the whole story