What are the differences and relations between era, age, and epoch? For example, should I say one of these?
- We are now in the digital era.
- We are now in the digital age.
- We are now in the digital epoch.
- We are now in the Internet era.
- We are now in the Internet age.
- We are now in the Internet epoch.
Or should I use some other word?
I found this comparison, but it is all about geologic history.
Best Answer
In geological time, these terms have specific meanings, but otherwise, according to the Wiktionary, they have similar meanings.
From Wikipedia:
For your question however, anything digital or Internet related is not going to qualify for any of these words using geological definitions, and the exact definitions of these words are much more relaxed.
"Era" is used colloquially to refer to any period of time with a name. (http://en.wikipedia.org/wiki/Era#Colloquial_.22eras.22).
It seems to be more common to call it the "Information Age", as evidenced by Wikipedia and Google search results: