The combination of these two components specifies the position of any location on the surface of the Earth, without consideration of altitude or depth. The grid thus formed by latitude and longitude is known as the graticule.
Well, most mobile hotspot data plans (which typically start at $50 a month for 5 GB) call for a nominal $10 charge for every extra GB you use over your monthly limitânot cheap, mind you, but not the end of the world, especially if you only exceed your normal 5 GB limit once in a blue moon.
No. Wi-Fi tethering requires that the phone have a Wi-Fi chip built in, but smartphones already have this for connecting at Internet cafÃ©s or at the office. The hotspot ability is enabled by software and doesn't add to the bulk of a phone. In fact, there are hotspot phones that weigh as little as 3.2 oz.