Here's the top 10 on Hot Digital Songs, as calculated by Nielsen/SoundScan. Far*East Movement featuring Cataracs & Dev's "Like A G6" holds at #1 for the second week (221K). Taylor Swift's "Speak Now" debuts at #2 (217K). Bruno Mars' "Just The Way You Are" dips from #2 to #3 (180K). Kanye West featuring Pusha T's "Runaway" debuts at #4 (174K). Nelly's "Just A Dream" drops from #3 to #5 (166K). Rihanna's "Only Girl (In The World) drops from #4 to #6 (145K). Flo Rida featuring David Guetta's "Club Can't Handle Me" holds at #7 for the second week (123K). Usher featuring Pitbull's "DJ Got Us Fallin' In Love" drops from #6 to #8 (115K). Katy Perry's "Teenage Dream" drops from #5 to #9 (111K). Taio Cruz's "Dynamite" drops from #8 to #10 (104K).