ValentineCoin - ValentineCoin is a coin based on Ethereum blockchain, which users can use to send to their loved ones by engraving a message on it, which will stay forever in the blockchain.
Detour - Immersive audio walks, now in 17 cities
obliterate.me - Draw on Donald Trump
Urban Walks - A nicer way to explore New-York
Grove - Personalized financial planning for everyone
yapQ - Turn your smartphone into an audio tour guide