5 things you can tell about someone after just a glance:
Eric Barker stashed this in Blink
Your roll-up posts are on a roll!
For personality, you can generally trust your gut when guessing extraversion, self-esteem, and religiosity. http://www.bakadesuyo.com/how-much-can-you-tell-about-someones-personal
If you have a spontaneously taken photo of them you can add in agreeableness, emotional stability, openness, likability, and loneliness. http://www.bakadesuyo.com/personalities-judged-by-physical-appearance-a
Who is a good leader? The face will tell you. http://www.bakadesuyo.com/can-you-tell-how-successful-a-firm-is-just-by
Or just look at the earlobes. (Really?! Really.) http://www.bakadesuyo.com/can-you-judge-leadership-potential-by-looking
Doing a leadership roll-up in on my to-do list. There are some fascinating (and dark) elements to leadership...