> I read the article.
What article, I am curios.
> Global do have one serious problem, 'memory allocation issues'
Try read this article:
http://wiki.c2.com/?GlobalVariablesAreBad.
Also, just to not read `the article`, read all you find. Read and read, for ever and ever. Never stop reading.
Why? Because there is not one single universal truth which holds the meaning for everything.
So you need to learn to know when you are reading wrong things, and half, full, only 10% wrong/dubious information.