The greatest problem for any tech geek to solve. See if u can figure it out!!

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This must be like the greatest problem that has ever come across any person that knows something about technology. And I am curious who will be able to solve this and help me out. This problem pertains to a Ps2 and a cell phone. Sound interesting? see if you can figure this out... O.K so heres the problem. I get an internet connection via my cell phone to my laptop via USB cord. And I want to hook my PS2 up to the internet via ethernet cable. I cannot establish a home network due to the lack of DSL/Cable box. So the question is. Is it possible to hook up my PS2 to my laptop to get the internet connection via ethernet cable? How would i do this? I do have a ethernet jack on my laptop. Please any suggestions would be VERY HELPFULL!!! Thanks in Advance!!