To call product X a killer of product Y, Y must have a substantial presence in the market. Segway does not. Even in Ryno delivers, killing the segway is not goi

To call product X a killer of product Y, Y must have a substantial presence in the market. Segway does not. Even in Ryno delivers, killing the segway is not going to make headlines. A better comparision IMO is to the mini-farthing YikeBike (www.yikebike.com), but I don't think that product has set the market on fire either