Mr DeLong caps his blogging at 90 minutes a day. His only blog revenue comes from selling advertising links to help cover the cost of his servers, which handle more than 20,000 visitors daily.

花费在博客上的时间完全可以用于进行学术论文出版或是提供咨询以收取咨询费，DeLong先生利用广告费来弥补维护每天需要接待20，000人次访问的服务器的费用。

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The divide is typical in citywide races in New York, where the voters are often late to tune in and where strict spending caps force candidates to save advertising money for later.

WSJ: Democratic Voters Favor Best-Known Mayoral Candidates in Early Polls