Re: "Spending a little bit of time to make sure your data is clean can pay off big in the long run."<p>Clean data is better, sure! But who spends just a <i>little</i> time cleaning their data? For data of any significant size, that's pretty optimistic, if not laughable.<p>Sure, for a new startup with maybe a few hundred sign-ups, this sounds possible.<p>To be fair, the above quote is in the context of customer names. Any suggestions for validating customer names? In the abstract? Matching against real names? In the US? Worldwide?