article_snippet: It can also be paired with technology in the home and in hotel chain rooms to automatically let the user in without a key or smart card.
article_snippet: The system, which is tied in to user bank accounts, means people will buy lunch or pay for a train or bus ride without the need for cash.
highlights_snippet: Also has software which will avoid need to pay with cash at till points .
  
highlights_snippet: System is tied to user's bank account and can pay for trains or bus fares .
  