If you recognize any of these, you went to university in the last century

If you recognize any of these, you went to university in the last century.
Before Powerpoint and Keynote and LCD projectors we had slide carrousels and overhead projectors.
Before we had Word, we had manual typewriters, electric typewriters and used a lot of correction fluid and correction tape.
These were the tools of the trade in my early years of teaching, I considered myself "cutting edge" at the time, but in retrospect those were jurassic times.
My Inquirer column today is a Throwback to th...