Every morning, we comb through YouTube's search data to investigate top spiking search terms and the videos they lead to:

• roseville flash mob - Yesterday we detailed how YouTube was flooded with flash mob choir videos from malls across North America. Things got out hand last night, however, when one of those flash mobs resulted in a full evacuation of a mall in Roseville, CA when a reported 5,000 people showed up. Searches are up for footage of the mob (and the police helicopters it drew).
  
  
• lunar eclipse 2010, moon eclipse - It made our top spiking search list yesterday, and this morning it's the #1 fastest rising search. Today's lunar eclipse that took place in the very early hours, leaving many searching for video of the event as they woke up. Here's a time-lapse shot in Brooklyn.
  
  
• magnolia shorty - Searches are on the rise for videos featuring rapper Magnolia Shorty, who was murdered in New Orleans last night. Fans have also begun posting tributes to the artist.
  
  
• shaq boston pops - Searches are up for video of NBC center Shaquille O'Neal conducting the Boston Pops Orchestra last night at their Holiday Concert in Symphony Hall.