Prepaid data/voice SIM for France

[rickgans]

Originally Posted by snaimon

Bouygues Telecom offers Wap GPRS, EDGE: € 2.00/MB (1 KB increments) i-mode® GPRS, EDGE: € 5.00/MB (1 KB increments) all e-mails received (less than 300KB) are free of charge.

What is the difference between the two types of email/data services? What is Wap versus i-mode? Also would I expect to be able to buy a SIM card for this company in a US airport in the international departures area or in the Paris airport when I land there? Thanks for all of your help.