Numbers Every Programmer Should Know By Year

        // [source: http://ampcamp.berkeley.edu/wp-content/uploads/2012/06/Ion-stoica-amp-camp-21012-warehouse-scale-computing-intro-final.pdf]

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    // Notes:

    //   - All of Norvig's original numbers were from 2002

    //   - Any numbers without a citation are from Norvig's article:

    //       http://norvig.com/21-days.html#answers

    //   - Exponential functions have the form:

    //       y = a*b^x

    //   - raising 2^2012 causes overflow, so we index year by (year - 1982)

    //     (82 was the year the PC came out)

    // TODO: get more accurate doubling rates from Aurojit Panda's

    //       spreadsheet: http://www.eecs.berkeley.edu/~rcs/research/hw_trends.xlsx

    var year = new Date().getFullYear();

    function shift(year) {

        return year - 1982;

    function getPayloadBytes() {

        // 1 MB

        return Math.pow(10, 6);

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