Flipkart announced its Big Billion Day sale in 2014, aiming to do $100 million in sales in 10 hours. However, the sale was plagued with issues as the website crashed due to overwhelming traffic. Many orders were cancelled or had incorrect pricing. Customers complained on social media, while competitors like Snapdeal and Amazon capitalized. Flipkart apologized and needs to improve infrastructure, inventory, and logistics to regain customer trust for future sales.