Because everything is getting smarter, it would be silly to think that keychains would be exempt. The Smart Keychain has four uses in one small package: USB file storage, upcoming calendar alerts, ...

The Delhi Metro Corporation on Tuesday unveiled the new smart cards that have been designed to look like key chains for the convenience of commuters. The sleek new “smart key chains” can be used in ...

You don’t need to be told how frustrating losing your keys can be. There are few items so important to daily life, so it makes sense to loss-proof them. It’s even better if you can add extra utility ...