The  FlashBlock extension automatically blocks all the flash contents on any webpage.This is how FlashBlock works: each flash element is being replaced with a placeholder that allows you to load only selected elements on a given page. ]You can also manage a whitelist of allowed websites via a configuration panel.A side effect is that it blocks flash based ads, thus can be used as an alternative to AdBlock. In general, FlashBlock helps with lowering memory usage and cpu cycles.Requirements:

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