Commentary: Moms don’t need fun job perks. They need child care.

Want to work for a company like Facebook, Apple or Google? You're hardly alone. Many tech companies offer their employees nearly every perk imaginable, from free meals and booze to on-site doctor and dentist appointments, gyms and haircuts to massages and fitness classes. Everything, that is, except the service that would help moms most: on-site child care.“Sure, you can bring your dog to work, but you are (mostly) on your own with your baby,” Bloomberg Technology anchor Emily Chang