No
It can, but if you want to get a safe copy of greenpoison plus a step-by-step manual with images,
Use Greenpoison
Almost all jailbreaks will slow down your iPod in some way or another. There is no completely safe way to install it without sacrificing speed.
nah
yes,Incredimail is safe for your computer
there is now! but it's complicated. just search greenpoison
No, its not possible. Wait for the greenpOison to be released.
No hacks are safe for any computer.
The main reason people have their computer in safe mode is due to unreliability of the computer in normal mode. If the computer is turning off in safe mode then the sooner it is with a Qualified Computer Technician the better
No.
Nobody or computer is safe from viruses.