On its 8th birthday, Twitter was the one handing out presents. The social network released a tool that let users look back on their very first tweets, giving us a glimpse back into "Twistory." Obama's ...
A hashtag or tag is a clickable keyword used to group terms together. The hashtag was first used in a user’s post in August ...
A Twitter hashtag was created to collect some of the most entertaining phrases people overheard at work.
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