Content Tagging: What Are Tags And Why They Are So Important For Web Publishers. Hashtag. A poster and shirt promote the #tampa Bay hashtag during the 2012 Republican National Convention Hashtags make it possible to group such messages, since one can search for the hashtag and get the set of messages that contain it.
A hashtag is only connected to a specific medium and can therefore not be linked and connected to pictures or messages from different platforms. Origin[edit] Tag (metadata) The use of keywords as part of an identification and classification system long predates computers.
Paper data storage devices, notably edge-notched cards, that permitted classification and sorting by multiple criteria were already in use prior to the twentieth century, and faceted classification has been used by libraries since the 1930s. Online databases and early websites deployed keyword tags as a way for publishers to help users find content. In the early days of the World Wide Web, the keywords meta element was used by web designers to tell web search engines what the web page was about, but these keywords were only visible in a web page's source code and were not modifiable by users. "A Description of the Equator and Some ØtherLands", collaborative hypercinema portal, produced by documenta X, 1997. Smart - El primer comercial en Twitter.