The Real Numbers Behind AT&T’s Price “Increase”

It has been interesting to watch the reaction to AT&T’s price “increases” today – interesting in that most of the chatter on AT&T’s rate increase focuses solely on prices going up.  There really is a bigger story there:
 First, the increases:
AT&T Data Plus 300MB: $20 for 300MB
AT&T Data Pro 3GB: $30 for 3GB (up from $25)
AT&T