Chronologically Stalking
When someone is obsessed with a famous person / actor /actress and stalks them through out the internet by watching all their works from start to end and knowing even the most minute details they themselves were not aware of . watching every movie or tv they starred in even if they came just for few frames in the movie.
Oh god she and her unholy obsession with that actor. if for anyone to know where she has been for the past 2 weeks. well she has been Chronologically Stalking that dude, and bloody hell won't stop talking about him.