We were reluctant to revise the first edition of this book. The Sarbanes-Oxley Act (SOX) has been studied and critiqued as extensively as any legislative act that has impacted business practices. We felt that we couldn’t add any comments of consequence to what had been written about SOX. However, in 2012, TD Ameritrade introduced a smart phone app that allows investors to scan UPC bar codes on any product and instantly get stock information about the company that made it. After learning that, we were no longer ambivalent about undertaking this revision.
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