In poetic literature you will often find a poem that seems to be inviting the reader to participate in an adventure or a love story. The use of you is evident in the poetry, but in most cases the reader understands that the poem is written to a third party and the author is simply allowing you the opportunity to read these moments of intimate conversation.
Possessives in poetry, marked by an apostrophe, are a way to understand that the poem is written for and to another person even when written from a first person perspective.
There is, however, a unique form of writing called Authorial Intrusion that will find the author breaking away from the storyline and speaking directly to the reader. This technique is sometimes used to take a work of fiction and make it seem somehow real. This is accomplished when the storyteller breaks from the action to talk directly with you.
Authorial Intrusion can also be used in poetry and is used extensively in persuasive essays. In fact, in essays Authorial Intrusion is often used as a means of allowing a personal voice of persuasion to assist in the point being argued.
You can see the use of Authorial Intrusions in...