sentence: People can use software from other companies to access Twitter.
sentences_after: These programs are called 'third-party applications'. The Twitter company changed the way this works on 31 August 2010. Now applications must use OAuth to connect to Twitter. This method means that users do not have to give their passwords to the third-party applications. Changing the login system to OAuth did cause some problems.
concept_name: People
headings: Twitter Overview Logging in
categories: 2006 establishments San Francisco, California Social networking