Contactless payment technology is being introduced across the London bus network.

Bus passengers in London will be able to pay for their journey with a contactless MasterCard or Maestro card rather than fumbling for the right change, or making sure their Oyster card is topped up.

Commuters paying for their journey using PayPass will be charged the same fare as Oyster for pay-as-you-go tickets, rather than the more expensive cash fare.

Transport for London pioneered the use of smart ticketing with the Oyster card, and now it has gone one step further. Or a two, as it has also extended contactless payments to wearables.

What is the cost-benefit balance of innovation?  Check this article on London’s contactless future in the Financial Times