Actually, MY DSi doesn’t see anything since I don’t own a DSi. However, YOUR DSi could be seeing some very, very creepy things here in the very near future.
Ghostwire, Mobile Games Innovation Challenge winner, is a DSi exclusive title [meaning you can not play it on your old DS] and it’s going to be available via download from the Nintendo DS download service at the end of the year.
From Ghostwire’s website:
Your portable device is used as a portal to the astral plane, and helps you find and collect ghosts that exist all around you. In your quest you use real …read more

See, this is part of the reason Nine Inch Nails’ Trent Reznor is so enduringly popular. Unlike Metallica, he knows what the Hell’s going on.
At first, Reznor considered putting his new album Ghosts I-IV out on a pay-what-you-like basis, a la Radiohead’s In Rainbows. Fortunately, Creative Commons founder Lawrence Lessig convinced Reznor that attribution would add value to his digital media.