#HappyBirthday: Quintessential Twitter Feature Turns 10
Originally envisioned as a method of organization, the hashtag has gone from an obscure idea to an indelible part of our communication landscape.
The hashtag is 10! Yes, the symbol that started out as the lowly "number sign" or "pound" on the telephone keypad and later morphed into something entirely different is 10 years old today. And it has accomplished quite a lot. In fact, it's hard to imagine modern communication without it.
And you might think
