Twitter Archiver: a plpugin. You log in w/ your account. Berk example -- cron job, posts results of feed-query into a sheet. Use a throwaway account.
Meaning cloud: a plugin, useful for large-granule sifting, to select: take a source of 1k tweets, use this to highlight 10%, then train a model on the result. You can select a range of cells and run this on it.
Other: Media cloud: public usage? Tagging: OA tags; Flextags; Wiki templates;