A new Philadelphia building uses huge LEDs to signal energy performance.

Wikipedia uses the wrong kind of social proof in their fundraising appeals.

New research shows that all social proof isn't equal - one kind is more persuasive.

Many, if not most, content sites today show how many social media shares each page or article has earned. This is a classic use of social proof, i.e., building credibility and earning additional shares by showing that others are doing it…

Every marketer knows that social proof - showing that other people use your product, support your cause, etc. - is a powerful persuasion tool. It's one of influence expert Robert Cialdini's six main principles, and may be the best-known…

One of the benefits of presenting at conferences is that you get to meet interesting people you might not otherwise encounter. One such individual at the Slovenian Advertising Festival was Jan Heemskerk, Netherlands-based editor of…

Here's some of the best stuff I found since last week... add your own great find in a comment!

Should you spend as much time polishing the few words of your headline as on the hundreds of words that comprise your news article or blog post? The answer may well be, "Yes!" according to a new study by OTOInsights. In an unusual…

A new study shows that donation amounts are influenced by the actions of other donors, creating a social proof dilemma. Here's how to maximize donations.

Do you need a blueprint for driving mega-traffic to your niche site? Real-world examples of effective use of social proof? How about a product/pricing strategy that seems illogical but drives sales? That, and lots more, is in this week's…