A widget gives you an at-a-glance view of an app when placed on a home screen. An example would be a widget of a weather app, giving you brief information of the current weather.
Hard to say as there's little information on the subject. That being said, there is an app on Google Play (PPP Widget) which would allow you to connect to a 3G dongle/stick, regardless if you have a wifi-only Nexus 7, or one with a SIM. You will need to be rooted however for the widget to work for you.
Widget is a girl.
you cant change a football widget
Widget Workshop happened in 1995.
Widget Workshop was created in 1995.
Super Widget happened in 1993.
Super Widget was created in 1993.
Widget UK was created in 1997.
well, as such there is no Widget in php. You need to write your own widget program if you are interested to develop. You must be aware of wordpress built on php plateform and that uses widget extensively :)
Since the question doesn't specify what Nexus the person is comparing it to the Nexus S, here's the order of Nexus phones (and by manufacturer) to date: -HTC Nexus One -Samsung Nexus S -Samsung Galaxy Nexus -LG Nexus 4 -LG Nexus 5
A widget is something on My Page that gives you information. Pressing Edit gives you the option to change the widget, and save to save it.