What is the halfway point between Marion IN and Kansas City MO?

In a presentation discussing dolphin speech what sound files would be the most helpful? Is there a vision for Apple Computer Inc? How many cubic meters helium to lift one kilogram? What is the function of an INSERT TAB? How do you refill Epson Ink Cartridges? Can you run Windows programs on Mac OS X? Is there a graphical merge tool for Linux? How many different types of biomeric devices are there? How many cubic meters in 39yards of concrete? How do you connect a computer to the network via cabling? Can you play a region 2 DVD on a iMac that was bought in the US? What type of power supply does a sportcraft unicorn 78057 dartboard use? What is levo scoliosis? How do you cut parts of a song out on iTunes for free? What is the halfway point between Tallahassee and Tampa? Where can you find the auto complete function in Excel? Task manger disabled? How do you back up an Informix database in Linux? Are computers the top electronic device ever built? Which command will display the contents of NVRAM?