What did you do with your iDevices once you upgraded to something new? Did you sell them? Did you pass them down to a friend or family member? Are they sitting in a drawer somewhere collecting dust? I'm interested. 
iPod shuffle 1st gen -> given to my mom when I got the iPod Classic
iPod Classic -> given to my mom when I got the iPod Touch 2nd gen
iPod Touch 2nd gen -> sitting in a drawer somewhere (I got my mom an iPod Touch 5th gen, so she did not need this one)
iPhone 4 -> given to my husband when I got the iPhone 4s
iPad 2 -> given to my husband when I got the iPad 4
iPhone 4s -> given to a close friend when I got the iPhone 5s
iPod shuffle 1st gen -> given to my mom when I got the iPod Classic
iPod Classic -> given to my mom when I got the iPod Touch 2nd gen
iPod Touch 2nd gen -> sitting in a drawer somewhere (I got my mom an iPod Touch 5th gen, so she did not need this one)
iPhone 4 -> given to my husband when I got the iPhone 4s
iPad 2 -> given to my husband when I got the iPad 4
iPhone 4s -> given to a close friend when I got the iPhone 5s