[thatBilly]

[flagged]

[qup]

"Every year, around the world, between 250,000 and 500,000 people suffer a spinal cord injury."

There's a clue that starts at 0:00 in the video.

[mp3il]

Well, you haven't watched the video, right?

[yreg]

Because they cannot use a regular mouse/trackpad? Be it for not having functioning hands or using them for something else.

[jackstraw14]

just think a little outside yourself and you'll get there.