The mobile web version of Google+ has pull-to-refresh. First for a web app? Works pretty well.
4 plus ones
Google+ circles are a usability step up from Twitter lists, but the way comments are grouped/sorted feels like work to track. Nice to be reminded of how well Twitter's UI works because it's so unstructured.
2 plus ones
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Manton Reece changed his profile photo.
3 plus ones
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