Apple’s MobileMe brings the possibility of mobile life without Microsoft Exchange, even if Apple doesn’t market it quite that way, Tom Yager asserts. Apple’s MobileMe, which costs $99 per year or $149 for a five-user pack, is the only way non-Exchange users can get push e-mail to their iPhones, Yager explains, adding that MobileMe has that in common with RIM’s BIS (BlackBerry Internet Services), though similarities stop there.“MobileMe has to prove itself to be a bulletproof individual push messaging solution above all else,” Yager writes in Apple’s MobileMe: mobile life without Exchange. “Enterprises don’t need a stand-in for Exchange Server.” Software Development