NPG (New Power Generation) Records, the 20-year-old record label owned by Prince, served Twitter DMCA a copyright complaint for content that was published using the Vine video platform it acquired earlier this year, reports The Next Web. The request -- sent March 22, 2013 -- includes links to the Vine clips in the letter and no longer lead to playable videos. A search on the Web site Chilling Effects -- the source of the notices -- shows no other offenses on Vine since the beginning of the year, but the social site told The Next Web it wasn't the first.