This thread is used for opinion and usage polls around Wolfram Mathematica. The poll questions are added as answers to this question. The choices for each specific poll can be found as comments below them. To participate simply up-vote the comments which apply for you. If there is no suitable answer yet simply add it as comment by yourself. You can't up-vote your own comments but the comment author will be counted manually. Please do not add any other comments to these posts. General comments can be added under this question.
Rules
Feel free to add your own poll by creating a new answer post below.
Answers to these poll questions are placed as comments below them. Because this is also an opinion poll subjective questions are welcome.
To participate up-vote the comments which apply for you.
If required add a new answer as a comment.
If applicable hyperlink the entry to allow other users to learn more about it. Feel free to flag comments for moderator attention if they should be modified for some valid reason (wrong/missing hyperlink, etc.)
Feel free to up-vote the poll questions (answer posts) as well to indicate that you liked the question. This will push the most favorite questions to the top.
Do not post any other answer posts or comments.