How hard is it to get into the home delivery business? What is needed? What are the primary deterrents to entering this market (entry barriers)?Why do you suppose investors are continuing to pour money into the home delivery business? In other words, what are the major factors in the general environment that are driving growth in this industry?What new technologies might be available in the future that will alter the way groceries and other goods are delivered?How can delivery companies differentiate themselve from competitors?Would you invest in Instacart right now? Why or why not?