Cartier and Montblanc owner in court action to stop online sale of counterfeits

Broadband providers fear impact of action by Richemont, which seeks to equate trademark and copyright infringement

@HiddenCash: Twitter mystery man who leaves money to be found

The enigmatic philanthropist leaves $100 in envelopes in San Francisco as a social experiment in the redistribution of wealth – and has urged those who find the money to pass it on

The art of noise: how music recording has changed over the decades

Technology provides crystal clear recordings of all the music in the world, at little or no cost. But, as a historical audio installation opens at the Science Museum, composer Christopher Fox asks why we won’t let go of our musical past

Silicon Valley: an army of geeks and ‘coders’ shaping our future

My birthplace has been changed forever by the app and network generation

Bill Gates urges China’s wealthiest to give to charity

Businessman makes plea in People’s Daily for country to improve bad philanthropic record by investing in the poor