[video & article] Children developed own #language in cave http://bit.ly/bnKJDL
But people are using them for other things, where it's clear that it's not to identify a topic or theme. Here are a few examples:
You know when you've worked really hard revising a story, then suddenly realize you were revising an old version? #pullhairoutofhead #cry
Me: "I'm not accepting new work now." Would-be client (self-pub author): "Well, can you just review what I've done myself?" #no
ugh, the intros are the hardest part. Spent three hours on 3pp writing. Still not sure if it's too-detailed or not-enough. #onward
SO many ways to get hold of a book these days. I mean there's really no excuse http://bit.ly/myfryapp #shamelesswhoring
So, why and how do people use hashtags? What does it serve to put it after a # rather than just saying it?