Research on self-enhancement shows that people who brag make a good first impression, but that it diminishes over time.

WSJ: Are We All Braggarts Now?

The Spanish cardinals and grandees, who were later adorned with oversized pairs in their portraits, were unwittingly helping to launch a very 21st-century idea: Technological self-enhancement is cool.

FORBES: Magazine Article

That was self-enhancement, and the camera connived in the lie.

ECONOMIST: Obituary

He hopes it will create an army of intelligent self-experimenters that extend well beyond performance and appearance enhancement to help create some of the greatest breakthroughs we could have in medicine over the next five to ten years.

FORBES: Names You Need To Know In 2011: Tim Ferriss