There are several ways to spot intellectual prowess asides the IQ test. The theory of multiple intelligence describes 9 areas where people can be proficient.
I used this 5 step system to make my decisions when generating $1000 by selling digital products from my website.
In such study of over 500 participants, it was found that we consistently attribute personality traits to a variety of fonts. Whereas serif fonts like Times New Roman and Georgia scored highest on traits like stable, practical, mature and formal.