This lets us know that Christianity is not something that should be forced on us. Those receiving what Paul preached received it by faith.
Although times have changed the Book of Acts serves as a good foundation for Church government. Jesus was very clear in his instructions on what should happen after his resurrection. Many verses in books of the New Testament speak of this. He would not have been allowed to die on the cross and ascend to heaven had he not accomplished what the Father sent him here for. The apostle Paul and others were clear in their understanding of what the church should be.
Christians today should not stray from the teachings in the Book of Acts. Many things have changed throughout the years. We are no longer living in Biblical times, but the one thing that is certain is that the word of God will always remain the same. Because of this, Christians are still charged with spreading the gospel and witnessing to unbelievers just as Paul and the other disciples did. Our methods of spreading the gospel and establishing and operating churches today are far easier than in Biblical days.
We have radio and television to aid us in our mission. However, some churches still believe in the good old fashion way of spreading the gospel by going door to convert souls. The Book of Acts should serve as a reminder to todays Christians the importance spreading the word in order to establish Gods kingdom here on earth. It is indeed appropriate to be an Acts Church in todays times. If Christians try to be anything else, then they are straying from the word of God and acting on their own accord. This is not what the Book.