Nest and Dropcam confirmed the acquisition in
separate blog posts on Friday, but did not specify the price
tag. Google declined to comment.
Google is increasingly expanding into new markets, with efforts
ranging from high-speed Internet access to advanced research on
self-driving cars and robotics.
It bought Nest, which makes smart thermostat and smoke alarms,
this year for $3.2 billion, the Internet firm's second-largest
The deal was touted as a foray into the fast-growing "smart"
home automation market, at a time consumer appliances and
Internet services are merging. But it also raised concerns about
the privacy implications for Google, which already collects
rafts of data about users' online habits.
Dropcam, which lets users monitor homes and offices via its
after the acquisition, the latter company said in its blog post.
That means data will not be shared with any other firm,
including Google, without a user's permission, it said.
Dropcam's backers include Kleiner Perkins Caufield & Byers,
Accel Partners and Menlo Ventures.
(Reporting by Ankit Ajmera in Bangalore; Editing by Lisa
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