Corvex

Everyone obsesses over acquiring new customers while quietly leaking the ones they have. Retention isn't a support function — it's the most powerful and overlooked growth lever you've got.

When your app needs to send email, you face an old fork in the road: the classic SMTP protocol or a modern email API. The right choice depends on what you're actually doing.

Your open rates dropped and you blamed your subject lines. The real culprit is usually deliverability — the metric that fails invisibly and takes everything down with it.

A great API feels obvious — you guess how it works and you're right. That feeling isn't an accident; it's the product of dozens of small design choices most teams never think about.

The AI conversation is obsessed with the biggest, most capable models. But for a huge range of real tasks, a smaller, faster, cheaper model is the better choice. Capability you don't need is just cost.

Password resets, receipts, alerts — the unglamorous emails your product can't function without. Here's why you need a proper API for them, not a hacked-together script.

Creating content daily fragments your focus and drains your energy. Batching it into focused sessions changes everything. Here's how to do it right.

The "AI will take your job" panic and the "AI changes nothing" denial are both wrong. The honest middle is more useful — and more demanding — than either comfortable extreme.

An AI assistant can be a genuine force multiplier or a time sink that creates more work than it removes. The difference is measurable — if you bother to measure it.

Mixing your password resets with your promotions on the same sending infrastructure is a quiet way to break both. The two email types have opposite requirements — and they need separation.

Most technical docs are written to be complete, not to be used. There's a difference, and it's why developers skip your beautiful docs and go straight to the source code.

Code review is either a team's best learning tool or a source of dread, ego battles, and bottlenecks. The difference isn't the tooling — it's the culture. Here's how to get it right.