Based on the O’Kennon (2010) article, what does the WAMP stack bring to Web development that was missing with LAMP? Which stack do you prefer and why? Based on the Greiner (2010) article, why has XML become essential for providing the content management function in Web development? Explain. Based on the Langley (2008) article, there are interoperability problems when multiple AJAX libraries are used in the same web page. Why would the same web page use multiple AJAX libraries? How is this problem addressed? . How has AJAX promoted the development of web-based software? Provide an example of a popular website that relies on AJAX functionality.