If you do not like the keyboard choices that came with the Nexus 7, you can download third-party apps such as SwiftKey, Swype, Emoji, and others.
Nexus One runs on Android, so it should have those capabilities. If not, download Google Handwriting Input from the Play Store.
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
Since the Nexus S, Google brought out the Galaxy Nexus, Nexus 4, and Nexus 5.
There are only a few differences between a Nexus S and a Nexus S 4G. Nexus S is T-Mobile phone, while the Nexus S 4G is a product of Sprint's Samsung. The only other major difference is that the 4G version offers Google Voice.
Nexus S was created on 2010-12-16.
It never did, but it did get the Galaxy Nexus, which had a number of improvements over the Nexus S.
The Google Nexus S is from T-Mobile and Sprint.
The Nexus S 4G is a CDMA phone and the Nexus S is a GSM Phone. This is the basic difference between these two phones. Most of the remaining configurations are same.
The Nexus S came in both CDMA and GSM variants.
The Nexus S is going for about $450. $200 with a two year contract.
The Nexus S is no longer manufactured. The newest Nexus phones can be bought and used on the Sprint network.