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$1bn acquisition marks latest front in battle to take lead in fast-growing sector
Face recognition and other features mark the Cam IQ out over its predecessor
Maker of web-enabled thermostats takes advantage of Google’s expertise
Homekit, SmartThings and Nest: connected devices are more reliable but automation means complication
Connected devices company to bolster its developer platform and launch online store
Nest trustees forced to tighten security controls
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