Maybe you’re trying to erase any lingering virtual sweet nothings of an ancient romance, or maybe you’re trying to wipe all sign of your top secret government job; whatever the case may be, you’d probably expect a deleted e-mail to stay deleted.
That’s just not the case with the current iPhone OS.
O2 offers early iPhone 4 upgrade amnesty in bid to retain customers
AT&T: upgrade to iPhone 4 up to six months early