If you buy it from apple (and most other suppliers) earphones, with microphone come free.
The iPhone is not yet released in Canada. But rogers wireless and fido will be realising it on Friday, July 11th 2008.
It is a noise cancelling microphone that filters out background noises when you are talking to someone else. It has been in use since the iPhone 5.
yes it is a phone after all
This is depends upon the location but if you are in Mississauga in Canada then Esourceparts is best iphone parts and accessories store
you have to buy a webcam with a microphone
You can buy accessories for iPhone 4 online at various retailers such as Wal-Mart, Target, Sears, JCPenney and Macy's. You can find accessories for iPhone 4 any occasion you may need.
No, an Itouch itself does not have a mic, but you can buy a Apple Earphones with Remote and Mic for $30 on apple.com. if you want to find out what an Itouch has or doesn't have check this link http://www.apple.com/ipodtouch/specs.html The iPhone has a built in microphone, though.
Microphone
yess it does
There are lots of options to find iPhone accessories. Local retailers, especially kiosks in malls specialize in mobile accessories. There are also lots of web stores for custom accessories.
One of them is a microphone the other is the speakerphone.