You can use a tool like Ritetag to do hashtag research and find the best ones to include in your Tweets. Source: over 1 year ago

According to a keyword tool RiteTag, we're looking at about 8 posts per hour, with 3300 impressions per hour for #chicagobulls but 56k impressions per hour for #bulls. (An "impression" is a person being shown the ad/tweet/whatever. So if you buy an ad and they say you will get 5000 impressions, it means they will show the ad 5000 times.) Personally, that makes me super curious to wonder how those numbers would... Source: over 2 years ago

Speaking of SEO, here's a handy site I found that helps you find trending hashtags: https://ritetag.com/. Source: over 2 years ago

Another great service for mentions is https://syften.com/, also supports Twitter but is paid. - Source: Hacker News / 19 days ago

I'm working on https://syften.com - a few of my users switched from Mention. - Source: Hacker News / about 2 months ago

You can try https://syften.com, but it's paid. - Source: Hacker News / 7 months ago

You might find https://syften.com/ interesting. I use it for monitoring Reddit and all kinds of communities for mentions of my name and the titles of my books. - Source: Hacker News / 7 months ago

Have you tried this one? https://syften.com/?redirect=false#pricing. Seems like it's an option for your use case. You just format the example of a problem as keyword as filter. - Source: Hacker News / 12 months ago