UNDATED (CNN) -- Change your ring tone to "Happy Birthday" because the iPhone is turning five.
Apple unleashed their touchscreen technology on the mobile-phone using world five years ago today.
Back then, Blackberrys were around but Android phones didn't exist.
The first iPhone cost $600, but the price soon dropped to $200.
In what could be a sign of Apple addiction, a recent study by gadget-resale site Gazelle found that 15-percent of respondents would rather give up sex than go without their iPhones for a weekend.