Check out this Business Insider video produced by Alex Kuzoian with original reporting by Drake Baer.

Learn from Michael Simmons's mistake.

Helen Coster (photo, left) presents "10 Tips for Better Business Writing.

"But what's the best way to build rapport and create trust?

"Napoleon Hill, author of the best-selling 1937 book "Think and Grow Rich," explored the habits of the most likable people in his essay "Develop A Pleasing Personality," which was included in the book The Science of Success.

"We all send body language cues based on how we feel and what we think, here's how to decipher them quickly and in any situation.

"New research by Dr.

"It was the kind of email that makes your shoulders clench up tight, right by your ears," begins Alexandra Franzen (photo, left) in a piece at TheMuse.

"You work with them, you live with them, heck, in many cases you love them, but the people closest to us can still cause a lot of problems," writes Eric Barker, owner of Barking Up the Wrong Tree.

"How often do you have a conversation with your team that consists of something other than what’s being done, what needs to get done, and what they didn’t do?

"I spent the past month doing something most people dread: networking," says Rachel Gillett (photo, left).

"Columbia Business School research highlights the disconnect between peoples’ own views and their counterparts’ views of their assertiveness—and the impact it can have on negotiations.

Ashley Fidel (photo, left) has some new opening lines for networkers to consider.

"Luckily, there are signs we can look for when trying to detect a lie.

"I normally introduce myself by my first name.

"You don't have to play by the old rules: This is the digital age.

"It's natural to want to be liked.

"It turns out that using body language to determine whether somebody is lying is really quite hard.

"If you're going to get anything done in business, you need people to respect you.

Christine Comaford (photo, left) discusses the topic.

"Asiana Airlines flight 214 crashed upon landing at San Francisco International Airport on June 6, 2013.

"The solution to the age-old problem of understanding others may be as simple as taking the time to improve your active listening skills.

"Facial expressions are a universal language of emotion, instantly conveying happiness, sadness, anger, fear, and much more.

"Below are ten common North American gestures that can cause offense abroad.

According to Drake Baer, "Within moments of meeting people, you decide all sorts of things about them, from status to intelligence to promiscuity.