3. A powerful earthquake struck off Japan's southern coast on May 30, prompting fears in China of a catastrophe similar to the tsunami and Fukushima nuclear power plant meltdown that followed the 2011 Japanese quake. In the end, no fatalities or major damage were reported.
4. An Obama tweet, published in August after racial violence rocked Charlottesville, Virginia was the second most-shared this year, according to Twitter, with more than 1.7 million retweets.
6. Wearables typically fall into three categories: complex devices such as fitness trackers; smart accessories such as smart watches, defined by their ability to run third-party applications; and fully autonomous smart wearables that connect directly to the Internet, such as Google’s Glass headset.