In addition, they demanded that the food be frozen and given to the conference hosts, since, after all, they paid for it. This month let's discuss using all caps and underlining. All Caps Frequently people keyboard their text in all caps for emphasis. The problem is ALL CAPS are more difficult to read. That's because we read not only by letters but also by shapes of words.
All caps forces readers to read each and every letter which slows the reader down.
Sometimes all caps are used in headlines, subheads, lists, catalog entries, or the like for attention. But even then, cap and lowercase are still easier to read. Inexperienced desktop publishers often use all caps because they have not learned all the options for emphasis available with their computer software. Ask yourself if there is an alternative. That quickly eliminates readability.