Client video testimonials are extremely powerful and effective ways to increase your credibility while letting your clients do the bragging for you. Here are some ideas of when you should consider doing them: When given the opportunity and logistically possible, invite your clients to your videographer’s studio. During speaking engagements offer a copy of your book for those willing to give you a video testimonial. If you brought a videographer with you, have them do it, otherwise an iphone or...