Because that is true for my life. I read this more and more that webmasters have a hard time socializing or have ADD or are scared to speak in public, etc.... that is why they can't get real jobs or be really successful in a real life jobs because in order to be successful in a real job you have to be able to communicate good in a business setting..
examples: conduct meetings or participate in meetings, conduct training courses, public speaking for your department or company...
