A function combined with Facebook and other solutions that provide twitter or a post a keyword such as a number symbol (#) used to label keywords in a tweet.Hashtag are used to categorize tweets, since all tweets with the same hashtag are related. All hash labels start with a hash character, which will be the image (#) above the 3 on U.S. keyboards. Hashtags are used to categorize tweets, since all tweets with the same hashtag are related. Therefore, searching for hashtags is a good way to monitor updated topics or trends. For example, #marchmadness is popular during the March NCAA tournament, while #election might be popular during political elections. Company names, such as #apple and #microsoft, are common hashtagged terms and may be used when people comment on new product releases.
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The hard disk was invented on September 13, 1956 by IBM team led by Rey Johnson (considered as “father” of the disk drive). Earlier hard disk drives were large and cumbersome devices.