The unlimited amount of online information that people have access to has caused an increase in skepticism that will only continue to become more pervasive.

If you don't believe me, go around and talk to young people in colleges and in junior high.

Go and make 'truth statements' and you'll hear them say, 'How do you know that's true?'

There's so much out there.

[For] every kid, even Christians, the age of the Internet is wearing down their convictions because they think tomorrow they'll find something else.
Josh McDowell

Almost all our witnessing and Christian communication assumes that people are open to what we have to say, or at least are interested, if not in need of what we are saying.

Yet most people quite simply are not open, not interested and not needy, and in much of the advanced modern world fewer people are open today than even a generation ago.

Indeed, many are more hostile, and their hostility is greater than the Western church has faced for centuries…

Our urgent need today is to reunite evangelism and apologetics, to make sure that our best arguments are directed toward winning people and not just winning arguments, and to seek to do all this in a manner that is true to the gospel itself. — Os Guinness (from, Fool's Talk: Recovering the Art of Christian Persuasion)