Which symbol, which is used to mark keywords or topics in a message, was popularized by Twitter?AMemeBHashtagCPlus signDAt sign

The symbol that was popularized by Twitter and is commonly used to mark keywords or topics in a message is the hashtag. Here’s a breakdown of the options provided:

• A. Meme: A meme refers to cultural elements that are spread online, mainly through social media, but it is not a symbol used to mark topics.
• B. Hashtag: The hashtag (#) is used to identify messages on a specific topic, making it easier for users to search and follow conversations related to that topic. This symbol became particularly popular with the advent of Twitter and is now widely used across many social media platforms.
• C. Plus sign: The plus sign (+) is generally used in mathematical contexts or to indicate addition, but it is not a symbol for marking topics or keywords.
• D. At sign: The at sign (@) is used mainly to mention or tag individuals in conversations, particularly on platforms like Twitter, but it does not serve the purpose of marking topics.

Final Answer

B. Hashtag