How should one handle spam comments -- and what are spam comments in the first place?
Read MoreA too-robust approach to spam
I was reading recently that something like 47% of emails are spam. I can believe it. I get the whole range: offers of Russian brides, Viagra, genie bras, news that a previously unknown relative has left me tons of money and messages exhorting me to open the attached document or confirm my security details. All this would be quite funny on one level, but it makes downloading and then sifting through email that much more difficult.
Read MoreSo I decided to do something about it.
Two-tier email system
Teachers looking for material with which to furnish their lessons on how technology affects society need look no further than email. This form of communication has affected in at least three ways what might be called “disposable time” – the time one has left after the essentials like eating and sleeping have been taken care of.