Get that apple back to its rainbow roots, but for a new generation. | Image: The Verge When Apple CEO John Ternus announced the first touchscreen Mac last month, the biggest reaction in the room wasn't for the PROLED MacBook Pro's OLED touchscreen or the thinner and lighter chassis; it was for the illuminated lid logo. It's a throwback to the light-up logos on the old MacBooks, which Apple started phasing out in 2015, and which were completely gone by the 2018 MacBook Air redesign. It's a nostalgia play, but boy did it work. It's fun!

Just like in the old days, the new logo's brightness is linked to the screen's: The brighter or dimmer the screen, the brighter or dimmer the logo. But the light-up logo on the old MacBooks was …