Rita Trichur reports from Toronto of concerns being raised by the Retail Council of Canada about the return on investment associated with having to upgrade their point of sale systems to support the planned rollout of chip cards by Visa and MasterCard in Canada.

Zhang Fengming reports to Shanghai Daily on competition for the credit card market among the major banks in China.

Mike Arrington reports for TechCrunch on Ottawa-based Shopify's private beta. Shopify is designed to be an easy to use (for both buyer and seller) ecommerce hosting site. For more, see the Shopify Blog or the main Shopify page.

Anne Krishnan writes for the Raleigh News & Observer about American Express' One Card and Bank of America's Keep the Change savings program for debit cards as well as others.

The AP reports on how online ecommerce merchants are much more actively fighting credit card chargebacks now than in the past.

J. Patrick Coolican reports for the AP on the accelerating trend toward using payment cards to make rent payments and the benefits to both landlords and renters - while some consumer groups are concerned about consumers doing so just digging themselves into a deeper hold of credit card debt.

Melissa Dahl writes for the Sacramento Bee about teens and credit cards - and the responsibility for using cards appropriately.

Jim Flynn writes for the Colorado Springs Gazette about the doctrine of apparent authority and how it is sometimes applied in cases of who should be responsible for unauthorized card use: the card issuer or the cardholder.