Simply put, the increase in smartphone usage and the subsequent explosion of data traffic on 3G networks has caused an immediate need for carriers to offload the data traffic from the 3G network, so that both the voice and data services perform optimally. And due to the built-in Wi-Fi capabilities of the millions of smartphones on the market, users are often turning to Wi-Fi hotspot services to fill in the gaps when the 3G network can’t cut it.