33 Typographic Sins...

1. Two spaces between sentences
2. Dumb quotes instead of smart quotes
3. Dumb apostrophe instead of smart apostrophe
4. Failing to tuck periods/ commas insides quotes marks
5. Failing to kern display type
6. Using two hyphens instead of an em dash
7. Too many consecutive hyphens
8. Large amounts of body text in uppercase letters
9. Large amounts of revised type are hard to read
10.  Using process colors for body text
11.  Underlining titles instead of italicizing them
12.  Under process colors for body text
13. Failing to eliminate orphans
14.  Rivers in justified text
15. Inconsistent leading
16. Indenting the first paragraph
17. Indenting a paragraph too far
18. Failing to hang punctuation into the margin
19. Failing to use to create fractions
20. Incorrectly abbreviating a.m. and p.m.
21. Failing to provide margins for type in a box
22. Faux italic/oblique bold and small cap type
23. Strokes that encroach upon letterforms
24. Horizontally scaled type
25. Vertically scaled type
26. Negative Letter spacing
27. Bad line breaks in headlines and body text
28. Failing to indent bulleted lists
29. Failing to align baselines of type in adjacent columns of body text
30. Stacking lowercase letters
31. Failing to use accent marks
32. Failing to correct bad rags
33. Failing to use ligatures