Children prefer to use their rollers when going to school with their heavy rucksacks.
For grown ups they are somewhat too small and perhaps a bicycle more appropriate.
"Take a bike and return it where you like" as Velib announces. Velib, the service in Paris of quickly renting a bike. Sounds great if you are courageous. No helmet, unfamiliar bike and lots of cars -
je ne sais quoi.
The new idea then is to use an ELECTRIC car for 30 minutes to reach your destination. http://www.microsoft.com/en-us/news/Features/2013/Feb13/02-12autolib.aspx
Changes are necessary to reduce car traffic - not only in Paris but in all large cities.
If you can't walk be open to new ideas even if it takes a while to get used to them.
