I Am the Best
... that 2NE1's "I Am the Best" topped the Billboard World Digital Songs chart after being featured in a Microsoft commercial?
... that <a href="./2NE1" id="mwBpo" rel="mw:WikiLink" title="2NE1">2NE1</a>'s "<b id="mwBps"><a href="./I_Am_the_Best" id="mwBpw" rel="mw:WikiLink" title="I Am the Best">I Am the Best</a></b>" topped the <i id="mwBp0"><a href="./Billboard" id="mwBp4" rel="mw:WikiLink" title="Billboard">Billboard</a></i> <a href="./World_Digital_Song_Sales" id="mwBp8" rel="mw:WikiLink" title="World Digital Song Sales">World Digital Songs</a> chart after being featured in a <a href="./Microsoft" id="mwBqA" rel="mw:WikiLink" title="Microsoft">Microsoft</a> commercial?