How do modern running shoes impact athletics

• How much of a benefit do modern running shoes give
• Does this benefit give some athletes an unfair advantage
• How important are technological advancements to a largely physical sport
• Is the integrity of athletics harmed by modern shoes
• Do modern shoes improve the viewing experience
• What do the athletes think about these improvements
• What rules are in place to fix some of these issues
• Are these rules fair and should they be changed
• What records are threatened by these shoes
• Is the price of these shoes worth the performance benefits