It’s turning into the Year of the Privacy Bill, with several proposals to protect consumer data already released by lawmakers and outside groups. But even with widespread concerns about the sharing of consumer data by companies like Facebook, it’s unlikely that a comprehensive privacy bill will make it through Congress.

Prompted by Facebook’s data sharing and mobile carriers’ selling of customer geolocation data, privacy advocates have renewed their push for a comprehensive privacy law. Some lawmakers have been pushing similar legislation for years, with no success.