Unlimited data usage with France's Orange Mobicarte (with its catches)
Since I have a SIM-free iPhone 4s, I thought it was a bit much to be paying 2000-3000 yen a day to SoftBank, so I went to the Orange store in Montparnasse to get a SIM card. It took about 40 minutes including waiting time, but the staff spoke English well, so there were no problems there. I also asked if I could get a data plan...