Do you love the specs? Here's the most detailed comparison between the Nexus One and the iPhone 3GS.This infographic, created by iFixit, shows that the Nexus one wins in almost all the categories, especially in battery replacement (two steps vs. the iPhone’s 16 steps).

Technically speaking, the Nexus One is the best smartphone but why was it defeated in the first month’s sales by Iphone 3G S? Share your opinion with us.

Tweet Reel is the most interesting app to post videos to twitter from the iPhone 3GS.

This application, launched on July 7th, lets you shoot videos or grab them from your library. Besides, it is possible to add Twitter text to your video. As soon as it is posted to your TweetReel site, it is shared with Twitter.

The video interface of this application allows you to embed and share videos. Indeed, it seems a simple version of YouTube but improved due to the tweet text. Collin Tulloch, developer of Tweet Reel, told Mashable that he’d love to make his service available to 3rd party services like  TweetDeck, Tweetie, Seesmic Desktop.

If you have an iPhone 3G S, you will love Tweeter Reel. During Michael Jackson ‘s memorial, @vanesbez , Tweeter Reel user, tweeted out some videos. Here you are the song “Smile”. Enjoy it!

George Hotz has released a jailbreaking application, Purplera1n, for the iPhone 3G S.  This application is   available for not only Windows and  but also for Mac., and requires an iPhone 3G S with the 3.0 firmware  and the latest iTunes installed.

What does jailbreaking mean? According to Wikipedia, “Jailbreaking is a process that allows iPhone and iPod Touch users to run unofficial code on their devices bypassing Apple's official distribution mechanism, the App Store. Once jailbroken, iPhone users are able to download many applications previously unavailable through the App Store via unofficial installers such as Cydia and Icy.”

What can you do with an Iphone 3G S jailbroken?  You could play Nintendo Entertainment System games and other emulated classic games , unlock your iPhone installing a simple program, so that you could use a pre-paid card if you go abroad (no more roaming charges),and so on.

The process of the jailbreaking is well explained  with a video at the end of this article. Download this free application on purplera1n.com .

If you want use more incredible applications with your Iphone 3G S, just jailbreak it! Even so, back up your data, just in case!

And for Mac lovers, we advise you to watch this funny video about a Mac book transformer !