Depends on where your users are. In many places, broadband has enough penetration and users won't have an issue. In others, bandwidth maybe an issue. We have

Depends on where your users are. In many places, broadband has enough penetration and users won't have an issue. In others, bandwidth maybe an issue. We have customers in NZ, who have bandwidth issues with our product, we are constantly working to improve. The majority of our customers and market are in the US & Europe. So we have a large video on our homepage. It is more valuable to show the larger market what we can do, than it is to dumb everything down for the much smaller market. Don't do video because you want to (unless it's just a personal project), but look at how video would benefit your product, and let that be your guide.