The Twitter for Mac client has a peculiar feature (bug?) which causes the app image cache to grow endlessly and without limitation. That means the Twitter image cache folder can easily become several gigabytes in size unbeknownst to the end user, and those cache files are also stored in virtual memory, which can cause unnecessary RAM usage and swapping on a Mac. Thus, if you use the Twitter app in OS X, you may want to manually intervene from time to time to delete this image cache, otherwise you’ll find your disk space slowly disappearing as the cached image files from your twitter stream get saved to disk, never clearing itself out. You also may get fed up with that manual cache deletion process and decide to prevent the app from saving any image cache, so we’ll show you how to do that too.
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