The rumors were so long that every Apple fan expected a next generation smart phone from Apple but what they got is Android smart phone features compliant iPhone. Of all features it is just that Sprint customers are going to get these phones. This completes the loop that all major carriers in US now carry iPhone and there is no exclusivity deals like only to AT&T or Verizon in the past.
iPhone4S vs. iPhone4 features :
iPhone4S vs. iPhone4 web browser performances :