...of monopoly is barriers to entry; these are technological or economic conditions of a market that raise the cost for firmswanting to enter the market above the cost for firms already in the market or otherwise make new entry difficult." This...
http://news.cnet.com/8301-13579_3-9919432-37.html
...number of law firms that they work with on a regular basis, minimum technology requirements are often expected for law firmswanting to continue to represent such clients. This trend started to manifest itself years ago when law departments were...
http://www.hildebrandt.com/PublicDocs/Doc_ID_1235_792003913296.pdf