* A change in GBP -> NOK exchange rate, to indicate if it's a good time to buy ready for my next trip to Norway.
* Alerts on flight prices to help me purchase flights when they're at their cheapest.
* Daily digest email with content I'm interested in from HN and some web comics.
* A summary of new content coming into my RSS reader.
It works really well for this sort of stuff and I found it fairly easy to get up and running.
I have had numerous simpler projects automating my digital life but I made the (probable) mistake of always starting from scratch and writing stuff all on my own.
Since I set it up a few months ago I've been using it a bunch, it's event driven system is great for when you want to trigger off multiple streams half way through a flow. You can also go back through past events if you want which is really powerful.
So about every service I have connected to it is on a free tier except Ploi (free as well) but I need for actual work and is also too good not to pay for.
Others tell me if my server is getting swamped, forward important emails like renewing a cert, a deploy failed, bug in prod or something else that requires often immediate attention. Chat widgets from sites in production also go directly to Slack so I can reply quickly if needed. (Gmail, Sentry, Freshchat, Ploi etc, integrate them all and filter out what's critical).
Everything generally operates on a 15 min interval or so it's not noisy and I've pretty much tuned it to only receiving specific stuff I want to see. Having a central assistant like hub to go to is very useful and time saving.