Knowing where customers are in the funnel comes from watching their actions. People at the early stage usually read posts, watch videos, or follow a page without asking questions. Those in the middle click emails, read guides, or compare options. At the last stage, they ask about price, delivery, or payment. These signs show their level of interest clearly. Tracking simple things like page visits and messages helps a lot. This makes it easier to send the right message at the right time. What signs do others use to judge this?