Jessica Orwig discusses the work of Gavin de Becker (photo, left).

Jacquelyn Smith and Rachel Gillett (photo, left) report over at BusinessInsider.

"Let's start with why you shouldn't feel guilty about saying no.

"Research offers a few clues about the most effective way to say 'I'm sorry.

"We all know a few people — probably just a few, actually — who win over everyone they meet.

"So here's what I want you to do: Challenge yourself to learn something new every day.

"You may think that fidgeting and not making eye contact are telltale signs that someone's lying to you.

Excerpted from the book Netiquette by Virginia Shea.

"It is an odd thought that our sibling relationships may be at the center of what makes us who we become.

"Given their social and outgoing natures, extroverts have never had much trouble gaining acceptance in the business world.

Shana Lebowitz and Melia Robinson report on the work of Amy Cuddy (photo, left).

"People size you up in seconds, but what exactly are they evaluating?

"What follows are the 10 most common body language blunders that people make, and emotionally intelligent people are careful to avoid.

Shana Lebowitz reports.

"Today’s students and career-changers have access to more career planning information than ever before.

Check out these examples of e-portfolios presented by Auburn University.

From brief reviews to online videos, see how content from consumers is reshaping contemporary marketing.

The Data-Driven Marketing Institute is a strong advocate for database marketing techniques.

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Why not make a career of it?

Chain Store Age tracks the latest ideas in retailing formats.

Follow Trendwatching.

The Mobile Marketing Association, whose members include many of the biggest consumer brands in the world, is helping refine the art and science of marketing to today’s mobile buyers.

The nonprofit organization Catalyst conducts extensive research around the world to identify and understand opportunities to improve gender inclusivity in business management.

B Lab is a nonprofit organization that helped develop the benefit corporation model and offers B Corp certification to companies that emphasize social and environmental values in their operations.