Ever felt the need for auto-completion while typing on Facebook or other websites.
If you have been typing same words, sentences or paragraphs again and again, then this extension will end the need by suggesting back whatever you have typed earlier. This is not a solution for normal username/ password caching or auto-fill facility for specific forms, but it actually monitors what you type and returns back suggestions which are optimized as per your usage.
If you feel that your privacy will be invaded and/or compromised, then be assured that suggestions can be individually disabled on specific input boxes (Right Click on box > Suggest Me > Disable) as well as Firefox windows without an impact on rest of your web experience. This means you select what actually gets into the suggestion list. If you still feel you need to delete any specific suggestion then just select the suggestion using mouse or navigate to it through keyboard and simply press delete key to remove it permanently.
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Detailed feature and bug list is available as release notes of individual versions.