Google Glass

1. development

1.1. in mid-2011 8pounds

1.2. by 2013 lighter than average pair of glasses

2. awards and praise

2.1. one of "best innovations of year 2012" by Time Magazine

2.2. Engelbart believed that machines "should do what machines do best, thereby freeing up humans to do what they do best".[

3. Version

3.1. version1

3.2. version2

4. Pros

4.1. “hands-free” experience

5. Cons

5.1. expensive

5.2. Privacy

6. funtions

6.1. record videos; take pictures

6.2. show messages

6.3. find information

6.4. show maps

6.5. live video sharing

6.6. integrates Google now

6.7. translate

6.8. Mini Games

6.8.1. Tennis

6.8.2. Balance

6.8.3. Matcher

6.8.4. Clay Shooter

6.8.5. Shape Splitter

7. release date

7.1. In February 2015, The New York Times reported that Google Glass was being redesigned by former Apple executive Tony Fadell, and that it would not be released until he deemed it to be "perfect."

7.2. FACEBOOK

8. test and usage in HK