This is more seasonal but my prediction is that in my lifetime it will be Christmas all year round due to our economy being based on buy, buy, buy. But I'm getting away from my original intent and I don't want to open a can of whup a$$.
1-Radio stations that play "Holiday" music 24 hours a day beginning Nov. 1st. OK turn the channel, but, you asked.
2-Stores that play "holiday music louder now than ever, refer to above, or leave store.
3-Using a somber holiday like Memorial Day or Veterans Day to sell an item or run a sale, totally bad, won't shop there.
4-Finally, TV or radio commercials that have different lyrics to Christmas songs to sell an item, bad, mute button.