After a long day at university, Trevor comes home, all he wants to do is pick up a guitar and forget about unfinished assignments for a while. The music cheers him up, and an hour later he remembers that he needs to continue writing a project for the university. He takes his laptop and starts writing stuff. Writing comes to him quite easily, he has a lot of ideas, but after three hours it is deep evening, and he begins to feel tired and drowsy. He saw several grammatical errors in his text, but decided to correct them later. When he was distracted to answer messages from friends on the phone, he noticed that the floor lamp by the bed was flickering for a while. It seemed strange to him, but he was shocked when he saw that all the errors in his text had been corrected and "you're welcome" was written at the bottom of the sheet in the Word. "What the hell?! Has someone hacked me?" Trevor said under his breath, he was seriously tense. He immediately started checking antiviruses and wondering how it happened and who did it.