What's Up with Garlands?

One of my favorite things to do is to click around the blog world to see what people are up to.  I like to wander through linky parties and Pinterest, clicking here and there just seeing what's in.  Apparently it's garlands.

Here are a few garlands that I've come across recently (not necessarily recent posts though):

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Now, all of these seem like fun, doable, interesting projects.  I could certainly come up with garland ideas on my own too.  But my question is, other than for a specific event or party (Christmas, Birthday, Halloween, etc), are you supposed to have these dangling in your house all the time?

Am I missing out on a key piece of decor because I'm not draping garland throughout my house year round?

I'm out of the loop for a lot of things, decor-wise.  Maybe this is just one of them.

At any rate - I love the look of a holiday garland and will plan on doing something for the next big holiday around here - Halloween!!