the.com/conversion

The moment a stranger decides your thing is worth money, love, or belief.

means The act of changing something — or someone — from one state, form, or purpose into another, whether that's a currency, a room, a heathen, or a hopeful website visitor.

from From Latin convertere — 'to turn around completely,' built from com- (thoroughly) plus vertere (to turn). The 'turn' is literal: Roman writers used vertere for spinning a plow around at the end of a furrow. Over centuries that same turning got borrowed for religious transformation (turning toward a faith), for changing one unit into another, and eventually for marketers watching a browsing stranger turn into a buyer — the plow still turning the same furrow, just dressed up in a sales dashboard.

marketing math
average ecommerce conversion rate hovers near 2 percent
religious roots
oldest recorded usage meant changing one's faith
unit trap
mars climate orbiter crashed over a conversion error
funnel logic
every conversion implies hundreds of silent nos
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