What are advantage and disadvantage of Hidden fields

Some of advantage of Hidden field as follows.

-These are quite simple to implement.

-We can work with the Web-Farm because data is cached on client side.

-One other reason is all browser support hidden field.

-Server resoucres not required.

And disadvantage are as follows

-Security reason not secure

-Performance decrease if data is too large.

-These are single valued and cannot handle havvy structure.