Freshbooks is a really cool online accounting and invoicing service.
If you'd like to know how to use Freshbooks together with Podio and truly have a paperless office, you have to check out this page. It's a video story with Francois Botha, a South African entrepreneur who gets huge benefits from using Podio and Freshbooks together.
Here's the video embedded as well:
Connect Freshbooks with Podio by clicking the wrench icon on your app, then Integration (see screenshot below).
Choose Freshbooks in the page that follows.
Then follow the instructions to connect your Freshbooks account (see screenshot below).
Now you are ready to be paperless :)