"A cat wears a ""Tsunagaru Col"" gadget next to a smart phone displaying the connected app, at the Anicall Corp booth during the Wearable Device Technology Expo in Tokyo January 14, 2015. The gadget (""Tsunagaru"" means connection) for animals tracks information about pets, such as the location and other animals the pet might be interacting with, with the purpose of providing ""social networking"" for animals. (Photo by Yuya Shino/Reuters)"
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