Don’t have time to read every popular business book out there? Read the book summaries at either Wikipedia or Wiki Summaries. These “Cliff Notes” of sorts work great for buzz terms, new ideas, and heavy meme books like the following:
The list could go on and on. Just Wiki a popular book and have at it. Of course, this isn’t a substitute for that excellent thing called actual reading, but it’s a great way to stay up to date, if not refresh yourself on the key ideas of emerging (or repackaged) concepts in business.