Nest, the "smart" home thermostat and smoke alarm technology acquired by Google earlier this year, is to enable third-party developers to create apps that can communicate with its devices.
Previously, Nest did not allow third-party access to its devices, and so the move will be welcomed by developers. Some 5,000 have already expressed an interest, according to the Palo Alto, California-based company.
It boasts a line of household items that have been re-invented, such as a thermostat that learns what temperatures a person or household likes and builds a personalised schedule.
The company's smoke alarm can also detect carbon monoxide, and can be connected to Nest's thermostat as well as smartphones and tablets - enabling the homeowner to receive a message if the smoke or carbon monoxide alarm has sounded.
However, the prospect of third-party apps connecting to Nest will raise both security and privacy concerns.
Yesterday, Google added camera surveillance to its Nest digital home monitoring unit with the $555m (£325.99) acquisition of Dropcam, a home security start-up.
Dropcam makes in-home cameras that can be monitored over the internet using a smartphone app.
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