If you want an easy way to get started with WAP, and in particular WML, the Wireless Markup Language, you may be interested in the WAP/WML support added into the Manila content management system.

André Radke of Userland has announced the addition of "automatic" WAP support in Manila, an authoring layer which runs on the Frontier content management server from Userland.

Manila is used to power the freely hosted sites at EditThisPage.com. According to Radke, appending "/wap" to a site's URL is sufficient to provide the WAP/WML version. This looks like it might be a good starting place for anyone wanting to experiment with sites aimed at mobile devices. More detail is available in this account of Radke's experiences with WAP and WML.