Sometimes upgrading a computer (laptop) is easy and sometimes it is not an easy task. Here is the Step-by-Step guide to upgrade your laptop yourself. You can increase your performance of your laptop with these upgrades.
You can upgrade your RAM, Hard Drive, Optical Drive, Bluetooth and Wireless Card with little effort with this guide from pcworld.
In the U.S., IPhone exclusive service provider AT&T will charge $199 for an iPhone with an 8-gigbyte hard drive and $299 for a model with a 16-gigabyte hard drive, as long as the buyer also subscribes to its cell phone service (2 years contract). It also will sell an iPhone contract-free, at $599 and $699 respectively, and then give buyers an option to use AT&T services without a contract.