One can never have enough socks, or USB ports. Add some more USB and WifI capability to your Raspberry Pi or, really, any kind of computer with this USB 2.0 and WiFi Hub!
This handy combo-hub has 3 USB 2.0 ports, and an RTL8188EU WiFi transceiver. This chipset is really common and can be used by any Linux, Mac or Windows computer. It's particularly handy for the Raspberry Pi A+ or brand new Raspberry Pi Zero which is tight on USB ports and has no built in WiFi.