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This is a link to a wiki where people can prove that 0.9999999 is equivalent to 1. This qualifies as a wiki because anyone can edit the page (the earliest entry I found was from 2008.) I like this wiki because it shows many ways to prove the two values are equivalent. Some of the proofs are rather simple and can be understood by students in an beginning or intermediate algebra class. I would use this wiki in my teaching by asking students if they agree with the proofs and to come up with their own proofs for the values.

According to ACTFL, foreign language learners need as much as 240+ hours of input to reach an intermediate level of proficiency. I'm looking into ways to use Twitter together with other applications like Feedly to encourage students to become autonomous learners and get more input from authentic francophone listening and reading sources. I can help them navigate through the sea of information available by sending them my suggested feeds and then practice using the target language by discussing topics together. Feedly is used to create a personal list of RSS feeds to favorite online news, video, audio and learning sources and save, publish and/or share them with others via an RSS reader application or even Twitter.