As a tactile set of symbols it is believed that the technology could also be used by fire-fighters to communicate with each other in smoke-filled buildings when hand or radio communication is not possible.

CNN: Future dress code: Very smart

The Mediterranean diet involves a set of skills, knowledge, rituals, symbols and traditions concerning crops, harvesting, fishing, animal husbandry, conservation, processing, cooking, and particularly the sharing and consumption of food.

UNESCO: Mediterranean diet

Third, crafting a successful social media campaign entails imagining the set of codified interactions or rituals based on shared symbols on which people will develop and share content (social glue) .

FORBES: Three Steps to Shape Social Media Success