I have developed a shopping-cart system which remembers the contents of someone&#039s shopping cart by using a array stored in a session variable.<BR><BR>I have a few questions about this:<BR><BR>Is it bad to use sessions in this case? the arrays can get kinda big(like 20 products, each having a name, description, price etc..) would this cause a problem with like 30 simultaneous users ?<BR><BR>I&#039m thinking about switching to cookies instead of the sessions, but would a 2 dimensional array be difficult to store in a cookie(or multiple cookies). Especially when it has 5 columns and 30 rows or so. Or would this be no problem ?<BR><BR>the essence of my questions is: should i , if even possible, be using cookies here ?<BR><BR>any comments is welcome<BR>thanks