Twitter has announced a couple of additions to its image offerings today, including the ability to tag up to 10 people in a photo without using any precious characters up. You’ll also now be able to attach up to four photos to a tweet, and Twitter will automatically craft a collage for you.
The people-tagging feature will undoubtedly offer Twitter a way to increase the density of its social graph. Adding the ability to link people to specific photos provides Twitter with information about the photo, but also additional relational links between individuals on the platform.
Making the tags available without eating up character counts will doubtless encourage people to use the feature. This is an example of Twitter utilizing the “invisible” carriage of metadata contained in each tweet to truck along extra information. Longtime users of the service may remember that Twitter had plans to roll out a ‘notes’ field…
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