Here's an interesting one. Just days after Cisco admitted that it was killing its own internal development of WiMAX kit, the networking mainstay has sunk an undisclosed amount of cheddar into a company that holds WiMAX in the highest regard: Grid Net. Said outfit has close ties to GE, Intel, Motorola and Clearwire, all of which have also voiced support (and invested real dollars) for the next-generation wireless protocol in years past. Last we heard, Cisco was doing its best to remain "radio-agnostic," and while some may view this as
