    ‘Setitence 1" A 3 responsible iedter we fer it nécedsar\,t0  “make. iesé. changes" betalise, anline” chat. services Are  ingreasndly being meused = Microsofe tole the BBC.    ‘Sontence’2. "fis a ie'spansitfe lester werfelt- nbaessaty'to  make. these. changes . because _onling = chat-“sénvices. are  igaeignaly beng rusubed: stan Gilen Kent rector at                               