Review: HTC One X for AT&T
WIth modern Android phones, there are several ways to approach the messaging tools. You can either use the messaging apps individually, or make use of the ones that are baked into the platform software.
For example, when you first set up the One X, you have the option to sign into a number of different accounts, including: Google, Facebook, Twitter, Hotmail, Exchange, Evernote, Flickr, HTC Account, and on and on. These platform-level account tools reach deep into the operating system and permeate apps that have nothing to do with messaging. The end result is that you have the ability to send messages from apps you might not expect to be able to, such as the Note-taking app, or the movie rental store.
You can also choose to download individual applications and use them as stand-alone services. Either way you do it, there are plenty of avenues through which to send messages from the One X.
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The SMS/MMS application is a very slightly tweaked version of the stock Android 4.0 app. Conversations are threaded and easy to read, but the use of white space and coloration is decidedly "HTC." The Gmail/email apps are both present and appear to be the stock Android 4.0 versions. The only IM client on board is Google Talk.
Other messaging and social networking tools include Google+ and Google+ Messenger, Latitude, and FriendStream. Each has its own widget or home screen shortcut that makes the app/service easier to access and use directly from the home screen panels.
What I like most about all of these is the sheer volume of options and ease with which most of them work. It takes only a few taps to create posts or messages from pretty much anywhere in the operating system.