Looking on the internet deeply has found these results:

an extension of the real world is the most popular phrase on the web.

an extension on the real world 10 results on the web	an extension of the real world 18,540 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Oct 6, 2013 ... Instead, it will be an extension of the real world and everything in it. Those who are wealthier in the real world will have more options in the virtual world, and those who are poorer will remain poor. Ultimately, if virtual reality�... Feb 13, 2014 ... I wanted to immerse myself in an extension of the real world, a sort of idealised version of my own life. The basis of most video games just seemed completely absurd to me, abstract to the point that I was unable to connect with�... Aug 14, 2012 ... Instead, it will be an extension of the real world and everything in it. Those who are wealthier in the real world will have more options in the virtual world, and those who are poorer will remain poor. Ultimately, if virtual reality�... Feb 15, 2015 ... Youngsters should treat the virtual world only as an extension of the real world. An article on Open Page (February 1, 2015) that discussed the dearth of open spaces for children to play, made me think about another important�...

an extension on the real world

10 results on the web

an extension of the real world

18,540 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Oct 6, 2013 ... Instead, it will be an extension of the real world and everything in it. Those who are wealthier in the real world will have more options in the virtual world, and those who are poorer will remain poor. Ultimately, if virtual reality�...
Feb 13, 2014 ... I wanted to immerse myself in an extension of the real world, a sort of idealised version of my own life. The basis of most video games just seemed completely absurd to me, abstract to the point that I was unable to connect with�...
Aug 14, 2012 ... Instead, it will be an extension of the real world and everything in it. Those who are wealthier in the real world will have more options in the virtual world, and those who are poorer will remain poor. Ultimately, if virtual reality�...
Feb 15, 2015 ... Youngsters should treat the virtual world only as an extension of the real world. An article on Open Page (February 1, 2015) that discussed the dearth of open spaces for children to play, made me think about another important�...