Everybody should contribute to clean up StackOverflow.

SO is intended to be a top-quality Q&A site, meant not just for the OP, but for posterity. Thanks to search engines, questions and answers become authoritative for the whole Internet. --Paul Draper

TODO by humans:

• disambiguate the 18700+ duplicate titles
• fix the uneditable titles (1434 titles with length < 15, 0 titles with length > 150)
• fix the uneditable titles (containing "help", "problem", "question", …)
• fix the uneditable messages (containing "mydomain.com", "domain.com", "mysite.com", "site.com", "abc.com", "xyz.com", …)
• remove the broken images (9,550 url:imageshack, 2,370 url:photobucket, 22 url:omploader, …)
• fix the broken links in messages
• rollback the 1900+ solved, resolved, fixed, answered titles
• correct the spelling in titles
• correct the 5,700+ "thanks in advanced" and 975+ "thanks in advice", …

TODO by Community bot:

• correct the 6300+ trailing spaces in titles