Its apps, apps and more apps these days ($19bn if you’re WhatsApp and in the sights of Facebook) but here’s a really useful one for motorists – unfortunately only available in the US so far. It’s a bright wheeze from Deutsch LA for Esurance, telling you when the price of gasoline is falling and you can save a few dollars at the pumps.
And each time you do it’s a blow to Vladimir Putin and those unlovely Saudi Arabian oil sheikhs. Genius.
