Below, I look back at nine of the best ambigram logos and why they work – plus two that didn't. For more inspiration, see our pro tips for logo design.

Glaser's initial sketch was dashed off in a taxi, which couldn't be more New York. And while he never made a dime for the design, that didn't matter, because it was his gift to a city he loved.

In logos, too, there was a renewed sense of colour, energy and confidence. Here are 12 examples of 1980s logos that global design experts think stood out. 01. The rainbow Apple logo ...