sentence: Potentially , Facebook and Twitter , and SMS in general , may replace face - to - face communication and improve their functions , because people feel more freedom or enjoy using Facebook or Twitter without having to see each other 's appearances .
modified: Potentially , Facebook and Twitter , and SMS in general , may replace face to face communication and improve their functions , because people feel more freedom or enjoy using Facebook or Twitter without have to view each other appearances .
transformation: OTHER, VERB:FORM, VERB, NOUN:POSS