Will businesses need to rearrange furniture and display racks?

Possibly. For example, restaurants may need to rearrange tables and department stores may need to adjust their layout of racks and shelves in order to permit access to wheelchair users.

For additional information, take a look at the following resources:

FAQ: When barrier removal is not readily achievable, what kinds of alternative steps are required by the ADA?

FAQ: What does the term “readily achievable” mean?