Planning Center Developers There are no mistakes. Just happy accidents.

PCO Check-Ins uses the DYMO's browser plugin to print labels from webpages. It's been a great tool and it enabled us to serve our customers on the platform we know best, the web. We're also happy to integrate with DYMO printers because they're reliable and inexpensive.

Somewhere in the history of our young profession, <a onclick="doSomething(true);" /> was labeled as bad practice. I've started to question that assumption.

Originally, PCO Check-Ins was a Batman.js app. When we rewrote it, Flux-inspired React.js turned out to be very conducive to rebuilding our live-updating interface.