American Express card users can shop at Twitter
SAN FRANCISCO (AFP) - American Express has begun letting users of its payment cards make purchases with messages fired off at Twitter as the popular social network dabbles with making money from e-commerce.
American Express announced on Monday that members who synchronise their cards with Twitter can take advantage of offers "tweeted" by the financial services company.
American Express will promote products in messages fired off at Twitter.
Card holders buy items by tweeting indicated hashtags, with their accounts being charged accordingly.