Todd Frankel

The list includes a plethora of products marketed to parents desperate to get their babies to sleep.

The biggest obstacles to delivering goods by drone involve people, some experts say. Kids might throw rocks. Adults might take potshots. Pet dogs could be expected to run at them.

Zuckerberg plans to eventually donate 99 percent of the Facebook stock owned by him and his wife, Priscilla Chan -- shares that are worth about $45 billion today, making it one of the largest-ever philanthropic commitments.