Excellent work. I enjoyed the visualizations. On a somewhat tangential note, I've always been curious about sentences like this: "Contact me at ross underscore

Excellent work. I enjoyed the visualizations. On a somewhat tangential note, I've always been curious about sentences like this: "Contact me at ross underscore rosen at revelision dot com" Are sentences like the one above an effective way to prevent spam? Or are most spambots sophisticated enough to account for slightly obscured spellings of email addresses?