I'm happy to see I'm not the only one who likes using tabs, although it feels like it from time to time.

The use of percentages to report the results is awfully confusing. When you say 50% answered X people naturally assume that means 50% of respondents, not 50% of responses.

Really interesting to see no-semicolon and comma-first style choices die off, and Browserify appear out of nowhere.

Survey summary has actual data without author's personal opinions mixed in: http://dailyjs.com/files/2013-survey-summary.pdf