Five Ways to Manage Data Use on Your New iPad - WSJ.com

Some inconvenient truths for LTE customers (smartphone or tablet); check the article link below for some tips

"Users of the new iPad are learning that its new high-speed wireless connection can be blazing fast, but painfully expensive. That's the downside of making it easier to watch TV on the go."
[...]
"The bottom line is don't expect to watch much video on your new iPad over Verizon and AT&T's high-speed LTE networks without paying very high fees."

Five Ways to Manage Data Use on Your New iPad - WSJ.com