Very nice article Dr. John, thank you. I have had the (dis?)pleasure of validating and cleansing addresses more times than I care to remember.

Just wondering what the performance is like for this process. On average, how long does it take to cleanse 1000 addresses? Assuming you have credits, is the processing time linear with each batch iteration (i.e. does it take 2x the time to do 2000 addy's and so on...)? I suppose it's really more to do with Postcode Anywhere...but still would like to know. Thanks again.