Jobs' Mob gives helpful advice such as "Move closer to the Wi-Fi router or hotspot" and "Make sure the power to your Wi-Fi router is turned on".

While every business is different, it's safe to say that many companies would choose a Wi-Fi-only tablet over a 3G/Wi-Fi model, particularly if the 3G option requires a long-term data contract.

Another piece of news we'd heard but are ecstatic to see confirmed: Froyo lets you turn your phone into a hotspot—including for your Wi-Fi iPad, if you're so inclined. (Or any other Wi-Fi device.)