"...companies don't care about corporate secrets any more. ..."
You have to be kidding. The things we DON'T know about Apple products probably outnumbers what (via rumors) is/may be known by a large percentage.
"...]I find it funny how much Apple allowed this product to leak..."
Apple is possibly, and in some people's minds, definitely, the best marketing company in the world. They get a million dollars (not much for pr, actually) free publicity just by opening a store, dropping a hint about an upcoming presentation, leaking/not leaking possible components of an upcoming product.to the extent that SkyBetUK took bets on the iPad 3 features...
"Predictions for a retina display seemed downright certain, with 1/8 odds for and 9 to 2 against. More fanciful features, like a Thunderbolt port (5 to 1 for, 1/50 against) and an SD card slot (12 to 1 for, 8/13 against) got better returns if they actually panned out. Interestingly, most of the participating gamplers believed that the iPad 3 wouldnt..."
I think they know what they're doing.