Porter maintains that true competitive advantage comes from sustaining higher levels of operational effectiveness than their competitors $.$ With this statement in mind $,$ which of the following statements would be true in relationship to the use of the Internet as a competitive weapon $?$ The nature of the development of Internet applications makes it easier to sustain operational advantages $.$ All companies are developing similar types of Internet applications $,$ often drawing on generic packages offered by third party developers $.$ This makes gaining operational efficiencies much more difficult $.$ Web services architecture makes this statement irrelevant $.$ Once a company establishes a best practice $,$ its rivals tend to copy it fairly slowly $.$