Holding down the back button opens up access to the multitasking apps. They appear as thumbnails--I can swipe back and forth to see what's running and tap the app I want to open. Mango limits you to a maximum of five multitasking apps and automatically drops the oldest when you add a sixth. It is better than not having multitasking at all, but could pose problems if you really need to keep an app open in multitasking.

It's hard to really test multitasking right now, because there are few--if any--apps available designed to take advantage of it. It seems, though, that apps designed to take advantage of multitasking retain their state even after they drop off the multitasking top 5 list.

Some apps behave a little wacky when it comes to multitasking. For example, YouTube is a single app, but it ends up using two or more of your multitasking slots because the YouTube app opens three different multitasking tabs at once: YouTube itself, an Internet Explorer back end, and then Music+Videos to play the clip.

The Right Approach

It seems like there is always someone demanding true multitasking, or pointing out when a mobile OS like iOS or Windows Phone 7 is lacking it. Personally,