Trust is the foundation of conversions and sales. But building trust should be a goal on its own. The whole concept of content marketing is based on trust and creating long-term relationships. Stop selling and let the people come to you by providing them interesting and useful information. I couldn’t have said it better than Mark Schaefer, the Executive Director of Schaefer Marketing Solutions:


All of these questions can help determine what type of video you should make and where you should post it. For example, if your target audience is not familiar with your company, you probably want to make a video that focuses on brand awareness before producing an in-depth, product video. You'll also want to host your video on a site that already has a large reach, like YouTube.
Footage: Think back to your audience, and the platform you’ll be publishing on and then peruse the library of footage available to you. Imagine you’re watching the footage with no text and no sound, does it elicit emotion on it’s own? Do you see a story developing? In addition to finding something dynamic, consider the look and feel of the people or environment in the video. You want to make sure that it is relatable and/or aspirational for your audience.

Hunker down and get to work learning the 101 of running an ad. Starting with Facebook is your best bet, and there you’ll be using the conversion optimization feature. Conversion Optimization guarantees that your videos are seen by a target audience who are likely to be interested in your business and will complete the lead of sales funnel you are hoping for.
Professional cameras, like DSLRs, give you fine control over the manual settings of shooting video and allow you to achieve the shallow depth of field (background out of focus) that people rave about. While they're primarily used for photography, DSLRs are incredibly small, work great in low light situations, and pair with a wide range of lenses — making them perfect for video. However, DSLRs do require some training (and additional purchases) of lenses.
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