Write an explanatory essay identifying the central idea of the excerpt from "Letter from a Birmingham Jail." Delineate Dr. Martin Luther King's argument and evaluate its effectiveness, citing specific examples of purposeful style and craft. Consider the order in which the points are
made, how they are introduced and developed, and the connections that are drawn between
them.

More than a hundred million e-mails are sent around the world each day, and they are all vulnerable to interception. digital technology has aided communication, but it has also given rise to the possibility of those communications being monitored. according to zimmermann, cryptographers have a duty to encourage the use of encryption and thereby protect the privacy of the individual. —the code book, simon singh what is the purpose of the statistic in this passage? it shows how big the need is for protection. it explains that email is an effective form of communication. it gives new ways to monitor email traffic. it illustrates how popular email has become.