Hoffmann's AeroPress method uses the inverted position with a coarser grind and longer steep than the classic approach. He developed it while filming his AeroPress championship video and found it produced a more consistent result.
Inverting the brewer prevents premature dripping through the filter, giving full control over steep time. The lower temperature (80°C) and medium-fine grind slow extraction and reduce bitterness.
Light to medium roasts where you want clarity and brightness rather than body. Works particularly well with washed African coffees.