Absinth
Ziphone, google it :)
I would recommend Blackra1n. :)
Spirit, blackra1n, or redsn0w
The best thing to do is a restoreOpen up iTunesPlug your deviceAnd click Restore
Yes. If you want the best resolts go to greenpois0n.com and downlaod the software
iPhone 4s
Yes you can jailbreak the iPhone 3Gs. There are several different ways of doing it and there is a matrix that you can match up your particular device's model, firmware, and boot loader information and it will tell you what program that is best recommended for your device. The link has been attached in the Related Links.
The Apple iPhone is an ideal PDA for medical software. There are numerous medical apps designed specifically for the iPhone
spirt jb
Apple Iphone
I have always found H&R Block to be the best free tax software. They are one of the top rated for 2012 and you can do your taxes online, in person, or with software.
The best tax software for 2012 that you can get is TurboTax. TurboTax has the highest customer reviews and doesn't miss anything! It is a little more expensive than other software though.