During the 2300 year prophecy of Daniel 8:14, there was also time for the Gospel to go to all the world. During this time the so-called "Christian" nations conquered and colonized nearly the whole world. The missionaries followed. By 1844 the world had been covered- now was time for the Gospel to sink in and take root.
Now, with our rapid increase in knowledge and technology, we are a global village. (24 hour cable news, internet, twitter, social networking, etc). The whole world is connected. So when the mark of the beast is implemented-all will see and be able to decide who they will follow.
And the third angel followed them, saying with a loud voice, If any man worship the beast and his image, and receive his mark in his forehead, or in his hand, The same shall drink of the wine of the wrath of God, which is poured out without mixture into the cup of his indignation; Revelation 14:9,10