Passengers use their smartphones at Mumbai Central railway station in Mumbai, India, on January 22, 2016.

A recent visit to India was a stark reminder to me — even as a tech reporter with an Indian background — that billions of people in Asia will become more active online in 2018 as internet accessibility and language recognition improve.

I've been able to take for granted during my lifetime that major technology companies were designing the Internet around their core consumer — English-speaking Americans. In a few years, that might not be the case, and U.S. tech companies would be smart to take note.