Working with Google Reader's API: A Step-by-Step Guide to Marking Items as Read/Unread on iOS

Implementing OAuth with Google Reader API Using Objective C for Secure Post Requests and Correct Parameter Sorting

Understanding the Error in `check_twitter_oauth()`: A Deep Dive into Twitter API Authentication

Posting Updates to Twitter Using OAuth and HTTR in R

Resolving the "SeckeychainItemref" Error: A Step-by-Step Guide to Integrating MGTwitterEngine into Your iOS App