Our friends over at XPLANE put together this interesting video entitled "Did You Know?: The 2009 Inauguration Edition" described as a:

Fun, fast-paced video by XPLANE that visually explores 23 factoids surrounding the upcoming historic inauguration of Barack Obama as well as past inaugurations. One minute 30 seconds in length, the video seems much shorter with its catchy music and wealth of interesting information. Watch and learn something new!