Freeglobes directory in a Twitter Look-Like

Rubik's cubes came out in the US in 1980 - and into the hearts of millions of geeks. The other four introvert categories comprise 5-6% of the population each: ISTJ 6% (Inspector), ISTP 5% (Crafter), ISFJ 6% (Protector) AND ISFP 5% (Composer).