Twoppics, the stories behind the hottest topics on Twitter.

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After the roof comes caving in...it's a double dose of Monday Night Football... Your twoppics of the moment are the Metrodome and Ford FieldFOX News Radio's Jeff Monosso reports the winter storm is just the topper on a trying season for the 5-7 Minnesota Vikings...  @Scott_Kornberg points out a coincidence, tweeting...

As if your friends stalking you via Facebook and Twitter isn't enough, introducing Google Latitude, which is your twoppic of the day.  The new iPhone app allows you to know exactly where your friends are using GPS in their cell phones...provided they download the app and friend you, of course.  @timberezny tweets...

Your top twoppic is a celebrity birthday...Taylor Swift turning 21 today.  The Twitter-verse is full of fans wishing Swift a Happy Birthday... @SparkleForSwift tweets...

Also sending birthday wishes are some of Swift's celebrity friends, including Paramore singer Hayley Williams...

Actress and singer Selena Gomez...

Singer Katy Perry...

And blogger Perez Hilton...

I'm @ChrisHoenigFNR and those are your hot @Twoppics on FOX News Radio.