http://ncase.me/trust/ is a great explainer that explores that question. How do different strategies compare depending on number of repeat interactions, population diversity and noise.
Thanks, I think someone linked to that here the other week, but I didn't have a chance to go through it at the time. It's very well done, so I'm glad you supplied the impetus to revisit it. :)
That seems a bit extreme for a browser app. Are you using a docking station, and have your laptop closed? I find mine sometimes overheats and shuts down when it's docked and closed and I'm doing something extreme like playing a game, but propping the lid open about an inch or two helped immensely with airflow.
