Using memcached functions for MySQL; an automated alternative to Query Cache

There’s a lot of buzz around memcached. memcached is widely used, and has clients for many programming languages and platforms. TangentOrg have developed a memcached client in the form of MySQL UDFs (User Defined Functions).
I wish to discuss the memcached functions for MySQL: if and how they should be used.
Disclaimer: I do not work with [...]

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