There's been some speculation recently that Apple has a WiFi-enabled iPod in the pipeline. This would allow consumers to download and/or buy MP3s (or video...) for their iPod while nearby a WiFi hotspot. Om Malik picks up on some Apple IP activity that points in that direction:
Recent trademark filings, as reported by AppleInsider show that the company might be headed in [the iPod Wifi] direction. The filings are for something called Vingle, which is “Telecommunication services, namely, electronic transmission of streamed and downloadable audio and video files via computer and other communications networks.