Yes, digital marketing will increase sales. It has been a successful marketing strategy for many years.
“If you're going to work on one specific marketing skill this year, work on being a better storyteller.” Talking to the sales and customer support teams in your company can help you gather important insights about your customers (Casie Gillette, Senior Director, Digital Marketing at KoMarketing).
“In fact, Harvard Business Review reported that 73% of customers use multiple channels on their journey to make a purchase” - litmus’s personalization lessons report
Here's related information that you may find helpful - 35 Latest and Strange Facts about Digital Marketing
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