What we're reading: bigger cities are better

Rude business; Tesla's confidence; conflict minerals; Brazil's soft power; megacities: bigger is better.

1.) The impact of rude behavior on business: worse for colleagues than customers.

2.) Tesla Motors CEO Elon Musk's "reality distortion field" of confidence in the electric car revolution.

3.) Consumer electronics companies must now disclose the use of conflict minerals such as gold, tungsten and tin.

4.) Using foreign aid, Brazil is doing brisk business peddling soft power.

5.) Bigger is better -- for megacities, not houses.

This post was originally published on Smartplanet.com