With the Aria Ruby SDK by Aria, developers can access the SOAP API to access billing, monetization, and CRM data. Contains installation via gem install and examples featuring REST API and SOAP API. Authored by Richard Mulhern, with Aria Systems. For more information related to developer support, visit http://developer.ariasystems.net/
If you're not familiar with Marco Arment's Instapaper, here's a quick break down. Instapaper is a great little service that allows you to store articles for later on your iPhone or iPad (as of this writing). Instapaper filled a huge gap. Not as high maintenance as an RSS reader, and 100% articles I saw somewhere but didn't have the time to read.