What he sees in the cards is an authentic experience that supports me and other entrepreneurs in our journeys.

FORBES: When Your Business Idea is a Little Whack, Check the Deck

Yet Europeans are less prepared than Americans to buy electronically: they are less likely to have credit cards, have less experience of mail-order shopping, and are generally more conservative in their shopping habits.

ECONOMIST: When companies connect

Most customers surveyed have experienced fraud, with fraud related to debit or credit cards being the most common experience.

FORBES: Enlisting Customers in Managing Cyber Fraud Risks

Shashi Verma, TfL's director of customer experience, said: ''Pay as you go Oyster cards do not expire and customers are able to return their cards to a Tube ticket office at any time for a refund of the remaining balance and card deposit.

BBC: Unused Oyster cards valued at ?55m

Rohit Arora, CEO of Biz2Credit, says that in his experience, many women business owners start out borrowing for their businesses on personal credit cards, instead of establishing credit in the name of their businesses.

FORBES: A Wake-Up Call for Women Entrepreneurs

And with that simple experience, Linden is aiming to undo a notoriously broken form of well-intentioned generosity: gift cards.

FORBES: Gift Cards Be Gone: Karma Launches

Iomega offers USB 3.0 adapter cards (sold separately) to insert into USB 2.0 laptop and desktop computers so users can experience native USB 3.0 transfer speeds of up to 5 gigabits per second.

ENGADGET: Iomega pushes ahead with USB 3.0 transition, promises to keep drives at USB 2.0 prices