Brand drift is the slow, usually unplanned movement of a brand's identity over time. No single post causes it. The accumulation is the change.
Brands move. A new hire writes a little differently. A trend pulls the feed a few degrees off palette. Each choice is defensible on its own, and eighteen months later the brand reads differently than it did, without anyone having decided it should.
Drift is not always bad. Brands are supposed to evolve. The problem is unplanned drift: movement nobody chose, noticed, or can date. By the time it is felt, it is established.
The people closest to a brand are the least able to see it move, for the same reason you cannot watch a child grow. Memory smooths the change. Without a dated record, every argument about whether the brand has shifted is an argument between two people's recollections.
Creative Cortex keeps a dated series of brand reads and compares them. When the record shows movement, it shows up as evidence: what changed, when, and by how much, next to the baseline it moved from. You decide whether the movement was intentional. The point is that it stops being invisible.
Because the reads are dated, drift can sit next to other dated numbers, like revenue. That is when the question changes from did the brand move to what did the move cost us, and that is a question a leadership team can act on. It is the long game of brand intelligence: the record gets more valuable every week it runs.
Work email. Fifty images. Five minutes.