Embracing the chaos of their new ‘open forums,’ Gawker now features a tip-sharing box that gives commenters the ability to post directly to the site using a hashtag-based system.

During Mitchell Heinrich’s artist residency in Vienna, he developed a new kind of “smell graffiti”.

Metaio, a software development company focused on augmented reality, is developing a mobile application that allows users to drop or tag locations with personal messages, websites or even complex 3D models.  With an interface similar to the augmented reality tweet viewer, the forthcoming application makes it possible to leave their virtual messages to be picked up by specific people or even create augmented graffiti on public space.
The possibilities of general commenting could integrate with Yelp to help see recent comments on nearby restaurants or alert friends of your whereabouts in an augmented reality view…with a dragon.  It is not known when [...]

Engineering students from Central Michigan University have developed a prototype cane for the visually-impaired that incorporates RFID technology to provide more data about the surrounding area. The “smart cane” is equipped with a reader that senses proximity to objects equipped with tags. As users approach obstacles, a sensor located inside the cane sends a signal to a small navigational system housed inside a shoulder bag, which in turn emits an audio alert that directs walkers accordingly. For individuals who are also hearing-impaired, the team has created a glove that issues warnings through subtle vibrations.
As the technology becomes further refined and [...]

Almost a third of blogs now use a system called tagging. Tagging is the categorization of posts by a user. Search engines like Technorati are increasingly using these tags to help users find the content they’re looking for.