> One good feature they have is to hide all stories from particular sources - you may think about adding this.

Do you have any particular news source that find you have to hide all the time? With Newshound, we've been thoughtful about which news organizations we source the stories from, so just curious if we've made a bad choice somewhere.

> My writing work causes me to frequently change the topics that I’m tracking.

We're planning a feature that will allow a user to keep track of a topic over the course of time. We still don't know if people will find it useful enough to pay for it.

> Thanks for developing this and making it available. I will certainly make a donation.

Thank you as well, not just for your detailed and positive feedback, but also for the encouragement and faith in our work. :-)