Hello, Why sholdn't I use erlang:ref_to_list/1 in application programs? As it says here: http://erlang.org/doc/man/erlang.html#erlang:ref_to_list-1 Let's say that I wanted to create a unique atom, isn't this a good way? list_to_atom(erlang:ref_to_list(make_ref())) BR, Daniel Rönnqvist