Looking Back at 10 Years of the Hashtag on Twitter

Looking Back at 10 Years of the Hashtag on Twitter

Ten years ago, the city of San Diego, California, was surrounded on three sides by fire. The canyons were impassable, the freeways were closed, and the refuges were filling up. Local reporters and residents, as well as concerned onlookers from around the world, turned to the nascent social network Twitter to share updates using the …