It's actually a call to action that became standard when blogging suddenly became cool ("subcribe to my blog, let me know your thoughts in the comment section...") that then easily translated to Youtube when vlogging and also suddenly became cool (along with unboxing and reaction videos which I don't have a terribly high opinion of) XD
My how a story can mutate even in just four short years ;D It wasn't a tarantula it was a huntsman (that we named Book), it was kinda big, and I didn't kill it with a stylus, I hockeyed it outside with an extremely uncooperative roll of brown paper which kept bending.
Also how did you know I have a split personality O_O;
Ahh you people with your multiple accounts, meanwhile I can barely manage one x_x well you never know, maybe you need the compartmentalisation and it will be good for your brain and you'll be able to do more stories and movie reviews now :)