Go to f5bot.com and plug in your competitors and / or relevant keywords. For example I'm tracking "visualping" and "website changes" to name a few.
Whenever you get an alert, check out the post, if it's relevant gently plug your product.
Rinse and repeat.
Most of our recent traffic has been gained this way.
(Also, take a look at my project: notify-me.rs while you are here)
In case you want to do the same thing with X (Twitter) you might want to try the platform I just launched: kwatch.io
I also perform sentiment analysis on top of that so you can follow the popularity of your product or your competitors.
I started using KWatch recently, it works really well, great job