Choose the correct answer to fill in each blank in the passage.
Fifty years ago, the tools we rely (14) __________ to communicate today were only science fiction. Today, you can purchase a smartphone and make calls, surf the Web, play games, run applications, and accomplish more than most fiction authors dared (15) __________. So what's next?
In the short term, we'll likely see basic cell phones (16) __________ fade away. As smartphones become more common and less expensive, more people will adopt them. The Internet will continue to play an increasing (17) __________ in communication. Voice over Internet protocol already plays a large role in several communication products and services. Sites like Facebook and Twitter allow their (18) __________ to communicate with networks of people. With the rise of the Web, people now have a platform from which they can address the world. In the past, only (19) __________celebrities and politicians could address so many people at one time. Now, anyone with an Internet connection can do the same thing.