A new PowerPoint for Macintosh, adding color 35mm slides, appeared by mid-1988,  and again won good reviews.  The same PowerPoint product re-developed for Windows was shipped two years later, in mid-1990, at the same time as Windows .  Much of the color technology was the fruit of a joint development partnership with Genigraphics , at that time the dominant presentation services company. 
Can our English reflection essays be longer than 5 pages?
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5W’s & H – Who, What, When, Where, Why & How
Hyperlinks embedded within the slides (as either colored text or an information "i" icon) will take the user to pages within the Guide to Grammar and Writing that further explore the grammatical issue being discussed. The Powerpoint presentation remains "on" in the background (It won't move without you!) and you can return to the presentation at any time.