Hello

After the WTC attacks, the Internet played a key role in keeping communication going, performing as an efficient and stable network for thousands of effected workers in lower Manhattan when desk phones and cell phones had failed. Unlike a telephone call, which requires a direct circuit connection between two telephone sets, data sent over the Internet consists of discrete packets that can follow different channels in a sequence over time and rejoin at the final destination, in a process known as packet switching. For that reason, important information was able to flow around damaged or destroyed cables and telephone switching equipment. cause distress or impairment in social, occupational or another important area of functioning. (B) Use of Internet or a similar on-line service is engaged in to.

Have a good day!