Well I am seriously not kidding but I could reduce Firefox memory usage from a whooping 40 MB to barely 452Kbs.
This was possible by using a nifty tool called Firefox Ultimate Optimizer. I was really baffled seeing the results there was a more here is the screen shot from my task manager after using Firefox Ultimate Optimizer.
Note this file is not a spyware or malware and can be run directly out of the box without having to install anything.
If you have been complaining about the huge amount of memory Firefox has been consuming, you should definitely give this software a try. This is another one of the softwares that makes it to the Techie Buzz firefox ultimate optimizer,reduce firefox memory,firefox memory reducer,firefox