Old-fashioned land-line telephone service not too long ago had a monopoly on voice communications. Cell phones and Internet telephony, also known as VOIP (Voice Over IP), are quickly making the Baby Bells obsolete.
See more at http://www.associatedcontent.com/article/1563073/telecommunication_in_the_21st_century.html
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Telecommunication in the 21st Century
Old-fashioned land-line telephone service not too long ago had a monopoly on voice communications. Cell phones and Internet telephony, also known as VOIP (Voice Over IP), are quickly making the Baby Bells obsolete.
See more at http://www.associatedcontent.com/article/1563073/telecommunication_in_the_21st_century.html