One way to present XML information to a user is by converting it to a file format the user actually knows. Edmond Woychowsky walks you through his process, including all the necessary sample code ...

That's where the Perl module called XML::Simple comes in. It takes away the drudgery of parsing XML data, making the process easier than you ever thought possible.

Microsoft Bing also conducted a study showing how the lastmod field was used across the web in XML sitemap files. Here are the highlights of that date, note this is based on Bing’s crawling data.