Something that feels newly everywhere is generally already past its peak. Visibility and growth follow different curves, and the gap between them explains most misjudged attempts to participate.
Spread and saturation are different measurements
A format grows by reaching people who have not encountered it, and that pool shrinks as it spreads. Growth is fastest early, when almost everyone available is new to it.
Visibility works the opposite way. A format is most visible once a large number of participants are producing versions of it, which happens after the audience is largely saturated.
The result is that the moment something becomes conspicuous is close to the moment it stops growing, because conspicuousness requires the volume that only exists at saturation.
Distribution accelerates the compression
Recommendation systems promote formats showing strong engagement, which concentrates them into feeds rapidly and shortens the period over which spread occurs.
The same systems demote a format once engagement declines, and decline arrives quickly because repeated exposure to a familiar structure produces weaker responses each time.
Both effects operate faster than any individual can observe, which is why a format can rise and fall entirely within the period someone spends deciding whether to attempt it.
Participation lags observation
Noticing a format, understanding it, producing a version and publishing it takes time, and that delay is often longer than the remaining life of the format itself.
Creators who move quickly are usually those already producing in a compatible style, since they can adapt existing material rather than starting a new production.
This is why apparent speed in joining a trend often reflects prior preparation rather than reaction, and why the same accounts appear repeatedly at the front of them.
The tail is longer than the peak
Formats rarely vanish entirely. They continue at low volume, and versions produced after the peak accumulate views slowly over a much longer period.
Those later versions are seen by people encountering the format for the first time, which is a real audience even though the format has stopped being current.
Why the pattern repeats regardless
Participation is cheap and the potential return is asymmetric, so attempting a fading format costs little relative to the possibility of catching one still rising.
That asymmetry ensures the pattern continues, and it explains why the most reliable strategy is producing consistently rather than attempting to time individual formats.