This month, Maryland became the first state in the country to pass a bill placing restrictions on surveillance pricing, the practice of setting a customized price for a consumer based on data collected about that person. The bill, which still needs to be signed by Maryland’s governor to take effect later this year, is being celebrated as a step in the right direction, as at least a dozen other states consider similar legislation. The Maryland bill, known as the Protection From Predatory Pricing Act , will ban food retailers like grocery stores and third-party food delivery services from using the personal data they collect to set a price for consumer goods or services. But the bill isn’t perfect, according to George Slover, competition policy counsel for the Center for Democracy and Technology. Slover testified before the Maryland Senate Finance Committee in February as the legislature was considering the bill, and he thinks legislators missed some things in the effort to better protect consumers.…