You mean there was an issue with Facebook login..? It should only try to open a file from your computer if you're submitting a story and try to attach an image.
Re mobile: It's too complex for a small screen, so there's a mobile page that just says there will be an app soon.
unknown|10 years ago
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edwinespinosa09|10 years ago
ajones05|10 years ago
Edit: The answer to your first question is, yes, that's exactly what it's for!: to see news within a certain radius of where you are.