Zuckerberg teases Aries and Terragraph projects to expand data networks

Facebook plans to unveil two projects on Wednesday that promise to improve Internet connectivity for users in cities and urban areas.The two, called Aries and Terragraph, will be detailed at its F8 conference in San Francisco, CEO Mark Zuckerberg said on Tuesday.Together, they represent an extension of Facebook's connectivity efforts that so far have been most closely identified with Aquila, a high-flying drone designed by the company to beam down an Internet signal to remote areas.Getting peopl