The IAB has issued a statement, “Dotless Domains Considered Harmful.”

Executive Summary: It has come to the attention of the IAB that there are proposals for so-called “dotless” domains in the root zone, and that some existing top-level domains (TLDs) are already operating in such a mode. TLD operators of dotless domains are intending that single label names — those containing no dots — resolve to the TLD itself, rather than be resolved locally, within the context of the local site at which the user resides… (Click to continue reading IAB Statement: Dotless Domains Considered Harmful.)