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The term hotspot usually refer to web design. I've been using and teaching Photoshop for the last 6 years and have never heard the term hotspot in photoshop.
It simply means the equipment is capable of connecting to the internet by using a public Wi-Fi hotspot.
Because you may be using an application in which requires wifi. Or you have an application that needs wifi or there is hotspot near
What are disadvantages of using car?
what are the advantages and disadvantages of using a heligimbal
no disadvantages
disadvantages
AT&T: If you are using the wifi service, and not the AT&T provided internet service, then you should not incur any charges.
I like graphs, no disadvantages.
what are the disadvantages of using leather
depends on your needs ultrasurf with proxyswitchy on chrome is pretty nice but slower than hotspot shield but ultrasurf connects faster
Your iPad 2 3G can serve as a Wi-Fi hotspot. Navigate to "Settings", "General" then "Network". Select "Personal Hotspot". Move the button into the "On" position. Create a password for this connection. You can connect wirelessly, or use a USB cable to tether the device to your computer. If you aren't using a cable, check your network settings for your hotspot. Enter your password when prompted. Use the settings page to turn off your hotspot.