FromitsmodestbeginingsasameanstosharePhysicsdata,thewebhasgrowntobeacentralpartofcultural,educationaland,mostimportantly,commerciallife.Millionsofuserstodayareperformingfinancialtransactionsonwebpages,varyingfrombuyinggoods,tobookingtravelandhotels,toapplyingforcreditcardsormortg