ICANN is considering opening single letter domain names, such as e.com, for registration.
ICANN stopped allowing registration of single letter domains in 1993. Only 6 single letter domains had been registered by then, including X.com which is now owned by PayPal through a merger. Some two letter domains also aren’t available for registration because of confusion with certain two letter country code domain extensions. Two character domains will not be affected by this action.
If ICANN decides to offer single letter domains it will need to decide how to issue them. The value of these domains is easily $100k each, and some could top $1M. ICANN may decide to auction the domains. This would be a great way to generate revenue for ICANN. Perhaps they could give this back to the domain name community by reducing current fees including the $.25/domain ICANN fee.