Gyft, the San Francisco start-up founded by South African technology entrepreneur Vinny Lingham, has secured US$5m in additional capital from new investors A-Grade Investments, Social+Capital Partnership, Karlin Ventures, Haas Portman and entrepreneur David O Sacks

Skyrove, a specialist wireless hotspot company, plans to launch an audacious bid for national radio frequency spectrum and, if it gets it, it plans to build a network to take on the country’s incumbent mobile operators. The company, run by CEO Henk Kleynhans, plans to participate in an auction for national radio frequency in the 2,6GHz ba