Today, the customer experience (CX) isn't bound to any one physical or digital space, as 73% of consumers use multiple channels to shop, according to a Harvard Business Review study of 46,000 shoppers.

Modern retailers understand this new omnichannel reality and are adopting retail innovation strategies to meet shoppers wherever they are-and on whatever device they choose. From transformations in customer service technology and grocery shopping to social media shopping and changes in the delivery and brick-and-mortar experience, here's a look at innovations reshaping retail in 2019 and beyond.