Jeremy Bodenhamer, CEO of ShipHawk

The online shopping cart is the essential technology that allows us to indulge in products, apparel and decor as quickly as we can click. While filling it up takes mere seconds, the act of actually purchasing the items we put in it can bring about a flurry of regret and frustration, leading to a reported $4 trillion worth of merchandise left abandoned in online shopping carts in 2015 alone. Yes, four trillion. Let that number sink in.