ideas to promote okular:
-redesign the website (focusing on SEO)
-add Okular to websites like Slant
-get those "20 best pdf annotators "pages to mention it
-post even more about annotation features
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Situation: you are trying to annotate a pdf but your browser can't do it.
Threat: freemium pdf editors with ads and unnecessary features make them hard to use.
Solution: Okular is easy to use and free so it gets the job done quickly.
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Practical reasons on the website.