B2B Reads: Video Length, Closed-loop Measurement, and Content Hurdles

In addition to our Sunday App of the Week feature, we also summarize some of our favorite B2B sales & marketing posts from around the Web each week. We’ll miss a ton of great stuff, so if you found something you think is worth sharing please add it to the comments below.
How Long Should Videos Be? The Ultimate Guide to Video Length
Some helpful notes on how long your marketing videos should be. Thanks for your thoughts, Chris Gillespie.
A Better Way to Gauge Sales Lift: Closed-Loop Measurement
Marketers need to tie their tactics directly to sales outcomes in a way that is believable. Thanks for your insight, Nick Mangiapane.
Social Selling: The Right Way and The Wrong Way of Doing It
Social selling is constantly evolving, so it can be hard to keep up with the do’s and don’ts of how to do it right. Great read, Chris Zilles.
Impactful Leadership: Be a Mirror Not a Megaphone
A closer look at what really