here!Nest Invites African Startups to Apply for Hong Kong Smart Cities Accelerator:Infiniti, the Hong-kong based premium car division of Japan’s nissan, and VC fund Nest, which services early-stage, high growth business, with 48 investments across the globe are in a joint venture with a 12-week programme in Hong-Kong, focusing on startups with smart cities solutions. Learn more about how Nest invites African startups to apply for Hong Kong smart cities accelerator here!The 15 Most Valuable Startups in the United States:Watch out! Uber just lapped Facebook! Uber Technologies Inc. is now valued at nearly $51 billion, the highest valuation ever for a venture-backed firm, a title that was once held by Facebook. Learn more about the 15 most valuable startups in the U.S. here!