No vectors, no schemas, no holdout jargon. Echo takes the facts you already have, builds a living copy of your customers, then lets you test a real action against it and reads the result from the first click to the sales call. This page walks both moves in plain words.
Echo learns from the data you already own and builds a faithful, privacy-safe stand-in for each customer. An algorithm computes the behaviour; a language model only puts it into words you can read.
Pick something you're about to send. Echo runs it against the twin population and shows you what would happen, the early signal and the money signal, not just the open.
Echo encodes the words, the visuals and the feeling on its own. When a campaign earns it, Echo brings in best-in-class brain science too, and never just takes its word for it.
The brain-science vendors tell you what a brain does.
Echo tells you what your customer will do, and what to send them.
Before any synthetic audience informs a decision, Echo quizzes it on questions whose true answers it already knows from your data but deliberately hid from the model. If the twin reproduces that hidden reality, it passes. If it drifts, it's thrown out, not quietly tuned until it agrees with you.
In plain terms: Echo would rather tell you "the data can't support this prediction" than hand you a confident number it can't stand behind.
From first click to sales call,
modelled before you hit send.
See it run on your own customers, not a slide.
Or read about the integration.