The History of Social Media in 33 Key Moments
Hootsuite
APRIL 6, 2023
The hashtag arrives (2007) The strict 140-character limit for tweets set Twitter apart from rivals, including Facebook and Tumblr. But Twitter’s significance was really defined by the hashtag , a symbol that’s helped political organizers and average citizens mobilize, promote, and create awareness.
145 
Let's personalize your content