*Web2.0????????2007.8.30(?)???jekoo@kbsi.re.kr2007??dCollection??????*??Ⅱ.Web2.0?????Ⅰ.Web2.0?Library2.0???Ⅲ.??Library2.0????Ⅳ.??Library2.0????Ⅴ.Web2.0??*???(Gartner)?HypeCycle(1/2)???????????????(Maturity)???????????????????(Visibility)???????????????????????????????????????5??????????????Web2.0?Library2.0???Ⅰ.*???(Gartner)?HypeCycle(2/2)Web2.0?Library2.0???Ⅰ.*’06.12?????????‘??’???????‘??(You)’?????,???????????2.0???????‘??(You)’????????????????,????????Web2.0?Library2.0???Ⅰ.*Web2.0?Library2.0???OCLC????????????(2005)???????:????84%,???????1%Ⅰ.▲http://www.oclc.org/reports/pdfs/Percept_all.pdf*Web2.0?Library2.0???ARL??????Ⅰ.▲http://www.arl.org/bm~doc/arlstat05.pdf*Web2.0?Library2.0???Web2.0‘??(participation),??(sharing),??(openness)’???3??????