Starbucks’ decision to restrict its restrooms to paying customers has flushed out a wider problem: a patchwork of restroom use policies that varies by state and city.

Starbucks opened the can when it said last week it was reversing a 7-year-old policy that invited anyone to hang out in its stores or use the restroom, regardless of whether they bought anything.

Starbucks is ending its open-door policy, which allows anyone to use its restrooms or hang out without making a purchase. This change aims to enhance the overall cafe experience and discourage non-paying visitors,

Most companies go public to raise money for expansion, and sometimes the results are staggering. Just look at Starbucks. When the coffee company completed its initial public offering in 1992, it