Apple Inc., Has officially announced the iPhone 4 in the WorldWide Developers Conference (WWDC) 2010 in San Francisco. Although smart phones that have ’100 new features’, we will discuss nine of them.

Here are nine key features Apple Inc. introduced. in the event,

1. Design

IPhone four distinctly different design than the previous generation. In addition to thinner (now 9.3mm), 4 iPhone uses a glass panel on the front and rear.
In terms of interior design, Apple designed the antenna which surrounds the entire body of the mobile phone. That is why in certain parts of the iPhone 4 looks kind of gap that looked out of the ordinary Apple products seamlessly.

2. Retina Display

Screen iPhone 4 gain increased quite dramatically. In terms of resolution, the screen is now 960×640 pixel display, while the density reached 326 pixels per inch.
Plus the IPS screen technology with a 800:1 contrast ratio, the resulting picture on the 3.5 inch screen it is claimed to be very clear. Apple calls this technology Retina Display.

3. A4 Processors

Apple ensures that the processor used is A4, the same as those used in the iPad. Apple could increase the size of the battery on the iPhone 4 because it uses a micro-SIM.
With the enlarged size of the battery, then the battery aged. 7 hours of talk on the path to 3G, 6 hours of 3G browsing, WiFi browsing 10 hours, 10 hours of video, 40 hours of music, 300 hours standby.

4. Gyroscope

If during this and previous generation iPhone 3GS ‘just’ using accelerometer, gyroscope sensor add Apple on the iPhone 4. This means that the iPhone 4 will be able to detect three-axis movement.
Plus the accelerometer, the iPhone will be able to detect four six-axis motion. This is expected to produce a lot of new games on the iPhone 4.

5. Camera System

Camera on iPhone 4 there were two. One on the front and one behind, with an additional camera on the back has an LED flash.
5 megapixel camera with a resolution that also has a 5x digital zoom capability and Illumination to fix the sensor backside. For video, the camera can capture up to 720p at 30 fps.

As if not enough, Apple also announced the existence of iMovie application for the iPhone. Video editing applications that will be available for USD 4.99 a fairly complete with features, including video editing on the quality of 720p.

6. Operating Systems

The operating system on your iPhone, iPod Touch and now are named IOS iPad. While the newest version is soon to be four IOS is distributed by Apple.

Not many new things compared to the IOS four previous Apple announcements. One thing is quite interesting, Bing search engines are now so one option for Safari in addition to Google and Yahoo!.

7. iBooks

Number seven is a mainstay feature availability iBooks application for iPhone and iPod Touch as well. Later, the books have been purchased in a single device, for example in the iPad, can also be synchronized to other devices without additional cost.

8. Ads on the iPhone

Eighth feature is also not too surprising, this is an interactive advertising system called iAds. Apple claimed that some advertisers are ready to present at the platform, with the value of the total commitments reaching USD 60 million.

9. Video Chat

This time, a feature that emerged later was named FaceTime applications.
These applications take advantage of both cameras for the iPhone four conversations via video. Video chat can be done between iPhone 4 which are both connected to the Internet via WiFi (of course, not be in a WiFi area).

The hackers appear to have infiltrated a virus in a game designed for smartphones based on Windows. Obviously they were targeted users of smartphones, because of the high sales of mobile phones.

3D Game AntiTerrorism and Poker Art PDAs have been available on a site that offers software for mobile phones , said John Herring, CEO of the security company in San Francisco.

The game comes with malware, which automatically will make an international call to Somalia, Italy and other countries. No joke, could the phone bill to amount to thousand dollar per month.

“The service is run by the programmers who create the software,” added Herring. Victims are usually unaware that their phones have been infected with the virus until they get bloated phone bill.

As usual, Microsoft will continue to encourage users to follow the steps Protection include install updates the application of antivirus software and spyware protection.

The internet has been very useful at this time. You can send email to people around the world. You can do business with someone in a different language. You can even do an online meeting. One of the things that make the internet a great tool is the P2P or Peer to Peer system. There are many things that can be done through P2P systems. First, you can share photos when you have installed the p2p system on your computer. Second, you can share your videos with others on the internet. Third, you can even share other files like documents or even spreadsheets. There are many P2P systems on the internet today. To name a few, there is Limewire and uTorrent. If you are the type of person who loves music and watch video then you certainly have to try to get P2P software today.

How P2P system work? In P2P systems, you will have shared directory on a hard drive. Together these directories will be open to other P2P users. You can also access the shared directories of other people who are online in a P2P system. If you want to share the video so you can simply put the video files in directories that you share. If you want to get video then you only need to access the shared directories of other users.

There are many issues surrounding the use of peer to peer system. One of the major issues surrounding the software is a matter of copyrighting. If you are sharing files with others then there would be no way to stop the spread of that file. If this file is copyright-protected files will be spread across the Internet without any controls. Companies certainly do not want things like this happen. If you are a music company then you will not want all files that have a copyright free for all over the internet, right? You must use a peer to peer systems like Limewire and uTorrent at your own discretion.