September 2009 - Vol. 52 No. 9

September 2009 issue cover image

Features

Opinion Letters to the editor

Computer Science Does Matter

It was disappointing that two competent computer scientists — Matthias Felleisen and Shiram Krishnamurthi — took such a narrow view in their Viewpoint…
News In the Virtual Extension

In the Virtual Extension

Communications' Virtual Extension brings more quality articles to ACM members. These articles are now available in the ACM Digital Library.
Research and Advances Research highlights

Spamalytics: An Empirical Analysis of Spam Marketing Conversion

We all receive spam advertisements, but few of us have encountered a person who admits to following through on an offer and making a purchase. And yet, the relentlessness…

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