I’ve messed around with SparkHire and it seems like a great tool for recruiters. It was more than a year ago when I was playing around with it but a lot has probably changed with it. IMHO, I think SparkHire might be a great tool for recruiters at the executive level. Typically senior managers and above need to have some good communication and soft skills, so this would be a great tool.
But more importantly.
Check out their 10 tips for video interviews.