If your data center is reaching capacity and you're thinking about cracking open the corporate piggy bank to fund a new data center, stop right there. By following some simple best practices, you may be able to take your existing data center and retrofit it to last pretty much forever, says Gartner analyst David Cappuccio. [ For a quick, smart take on the news you'll be talking about, check out InfoWorld TechBrief -- subscribe today. ]