There shouldn't be as far as I'm aware of. As far as connectivity is concerned, the wifi-only versions follows the 802.11 b/g/n standards. The 2012 version can operate at 2.4 GHz, while the 2013 version can operate in either 2.4 GHz and/or 5 GHz.
If you can connect your Nexus 7 to a wifi hotspot, then the data would be free.
Yes, if you can get to a wifi hotspot.
The more commonly-purchased wifi version of the Nexus 7 has you connect to any wifi location.
A long press of an image will give you the options box. Pick "Save image" and it will save into the Nexus 7's Gallery.
If you have a wi-fi version of the Nexus 7 (1st or 2nd generation), which is the more common version of the tablet, you would just need to connect to a wi-fi hotspot, or connect to an internet service. If the Nexus 7 isn't finding a location for you, you can go to Settings>Wi-fi and locate the service you want to connect to.
The Nexus 7, particularly the 2012 and 2013 models, does not have a SIM card slot for cellular connectivity in the Wi-Fi-only version. However, the LTE version of the Nexus 7 does support a SIM card for mobile internet access. If you have the LTE model, you can insert a SIM card to connect to mobile data; otherwise, you would need to rely on Wi-Fi for internet access.
There are various types of Nexus devices, but the Nexus 7 is part of that same family.
If you buy an LTE version yes. If you buy wifi only then no.
The 2012 Nexus 7 came out on July 2012. The 2013 Nexus 7 came out on July 2013.
Desktop Nexus is the best computer wallpaper site on the internet!
It is possible to make calls on a Nexus 7 using a VoIP (voice over internet protocol) app. Google Voice, Tango, TextPlus, Skype, Talkatone, Groove IP are examples.
Nexus 7 is a new Google's tablet. It's said that it's the best $200 tablet you can get on the market. It has cameras, you can connect to the internet, it supports movies and pictures, and of course, music.