Esther Schindler writes "Every year, there's some retailer whose e-commerce or supply chain fails. And it's a big deal, since the holiday shopping season can make or break their year. The IT challenge encompasses everything from server scalability to supply chain management to search engine optimization to database cajoling to business integration to... well, come to think of it, just about everything. To explore this, CIO.com has a big package of articles examining "Black Friday" and its implications, entitled E-Commerce and Supply Chain Systems Gird for Black Friday. Topics covered include online shopping and holiday IT failures. Despite all this—and at least ten years of industry experience in e-commerce sales—we all just know that someone will make yet another big mistake. I wonder who it'll be this year?"