Lists:

1. Are a good way to organize thoughts.
2. Help us prioritize.
3. Can be:
....a. spoken
....b. written
....c. drawn
....d. read
....e. crossed out
.[x]f. checked off
....g. rewritten
....h. scribbled
....i. typed
....j. sung
....k. and more.
4. Look nice, especially on properly lined paper.
5. Make good meme formats.
6. Are easily turned into Outlines.
7. Provide:
....a. information
....b. amusement
....c. motivation
8. Can be used to procrastinate.
9. Are sometimes turned into poems.
10. Break down information into easy-to-understand chunks, to help us process it all.
11. Can be used to show pros and cons of important decisions!
12. Are in .txt files all over my desktop.
13. Fit on post-its, even if the post-its don't stick to anything very well.
14. Help with the shopping.
15. Remind us who to send Christmas cards to.
16. Invite others to read over our shoulders while writing them.
17. Have been seen as a threat.
18. Have been used to punish.
19. Are used by bureaucrats to...
....a. Call upon
....b. demand
....c. urge
....d. endorse, and
....e. request.
20. Don't actually seem to work for the bureaucrats.
21. Help us remember what to do next.
22. Make us look busy.
23. Add an air of authority to the listed items.
24. Give us something to read in the doctor's office.
25. Are the favored format of much of pop culture ("Top 10", anyone?)

I think I may start writing my "To-Do" lists in pictograms, just for kicks.