vídeos de stock e filmes b-roll de big city businessman uses smartphone, stands on crowded street. e-commerce visualization of information lines flying from mobile phone into global digital network. top down zoom out aerial drone shot - conceito00:08
vídeos de stock e filmes b-roll de learning from books or textbooks and the internet helps create new ideas. slowly moving interconnected polygons surround a glowing electric light bulb with a book underneath. dark blue background. - conceito00:30