Dr. Kaye is a Professor Emerita of English from State University of NY at Nassau. Such thoughts go through my mind regularly when I email my way though the day. In recent decades, we've been deluged with small inventions that have impacted on our daily lives. Think of it. I'd happily exchange all of the above, especially the telephone, for email.
Email conveys only the last.
I, as its strength. Allow me to explain. I cite these examples because none of them is profit-making and this element plays a key role in my preferring email to the phone. Should you want to carve out segments of your day for your exclusive use, know in advance that family and friends will not respect your desire to do so . . . unless this time is used for making money. On the contrary, a bit of respect will creep into the caller's voice.