Question: what are the advantages and limitations of e-commerce?
Answer: A Larger Market. ... 
Customer Insights Through Tracking And Analytics. ... 
Fast Response To Consumer Trends And Market Demand. ... 
Lower Cost. ... 
More Opportunities To "Sell" ... 
Personalized Messaging. ... 
Increased Sales With Instant Gratification. ... 
Ability to Scale Up (Or Down) Quickly And Unlimited "Shelf Space"