August 14, 2015: AT&T joins T-Mobile and Verizon in offering new contract free plans based on monthly data caps. The carrier is offering five tiers, starting with 300MB of data for $20 per month, then escalating to 2GB for $30, 5GB for $50, 15GB for $100 (probably the best deal), and 20GB for $140.
The Hub and Spigot are two types of fitting on either end of a pipe. At one end you have the Hub (Socket) fitting; which is a female end of a fitting designed to accept pipe or a SPIGOT connector. At the other end you have the Spigot fitting; which is a male end of a fitting designed to be used inside another fittings Socket (or Hub) end.
USB hubs are devices that connect to a computer's USB port to add additional ports to increase the number of devices that can be connected to the computer. However, there's a catch when using USB hubs: all the devices have to share bandwidth and power supply from the computer's USB port.