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I have heard rumors that the use of a MapField or MapView in a BlackBerry app typically presents a problem because carriers such as AT&T and Verizon in the US have locked down the devices so as to not make those API's available or usable. I have three questions:

1) I am new to BlackBerry development. What's the difference between MapField and MapView and their respective availabilities? Are they related or different?

2) Are there actual known carrier restrictions that prevent / prohibit the use of MapField and/or MapView?

3) If there are known carrier issues, what are the best alternatives? So far I've found the following options: a) use of a Browser.Field with Google Static Maps (good suggestions from these StackOverflow questions: How to use Google Map in BlackBerry application? and BlackBerry and map based apps like Yelp and Google Map); b) license the Nutiteq map API library. Any other viable options I might be missing out on?

Thanks for your time in helping out a BlackBerry newbie.