"We need new rules on when you should text, when you should call, when you should email," writes Nicholas Carlson (photo, left).

"Knowledge seldom takes the place of experience.

"Humans have radically changed the way we shop and buy since days of Mad Men, but most companies haven't followed suit.

"LinkedIn is a great platform for finding capable employees, but that's only the beginning of its value," declares Scott Gerber (photo, left) in a piece at Mashable.

Corey Eridon (photo, left) examines the data on the topic and provides the introduction to the infographic.

John Brandon has mastered his email inbox but "there's one thing [he's] mastered even more than that: spotting a lack of confidence.

"There are so many interesting facts and numbers in the world of presentations, this infographic could be 5 times the size.

On Point, with Tom Ashbrook, covers the topic of "verbal tics" (“I’m just saying.

"It’d [be] easy to bash PowerPoint, especially given the poor uses we see all too often .

"Twitter’s search tool is an incredibly powerful part of the system but it’s criminally underused.

According to Karla Guiterrez, "eLearning professionals are often over-confident about a course’s ability to capture an audience’s attention and engage users with its content.

"This article looks at strategies you can use to ensure that your use of email is clear, effective, and successful.

According to Vicki Davis, "Every email message from a parent or colleague is an opportunity to create a powerful impression.

"Here are seven easy ways to prevent email from killing your productivity and taking over your day: .

"Here is one of the most common business inquiries I receive: 'I am about to launch a (business/book/seminar) and want to use Twitter to do it,'" says Mark W.

Justin Gmoser covers the topic in a video presentation.

"To many people, LinkedIn seems like a chaotic, confusing mess," declares Janet Scarborough Civitelli, Ph.

Take a look at a "Day in the Life of" Morgan, a communications employee at JetBlue.

According to Aaron Taube, "To make sure you and your future employer get off on the right foot, it's important to avoid meaningless buzzwords like "strategic" that make it look as if you haven't put a lot of thought into your profile.

Harvey Schacter (photo, left) writes, "Your biggest problem with e-mail may not be the stream of messages floating into your inbox 24 hours a day.

TeachThought.

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Sarah Green interviews Bryan Garner in this podcast at HBR Blog.