The BT HomeHub 4 router has barely had time to settle in, and yet already a prototype of its replacement is being callously shown off at PR events in London. It'll support the still-maturing 802.11ac standard, should you come to own any compatible devices, and is to become the default router shipped to new Infinity fiber customers -- we're just sure of exactly when, as BT execs have only indicated that it'll be towards the end of the year. Equally exciting (and equally i
