Twitter adding "buy now" button on tweets to grab impulse shoppers

Here's a great idea for companies that want to use Twitter as a tool for promoting and selling a product. By putting a "buy now" button on a tweet, impulsive shoppers might not be able to resist making a quick purchase. After pressing this button, consumers would fill in payment and shipping information. For companies selling low-priced products, this could be a cheap way to bring in some online business and at the same time, help to promote a product via a "bulk" tweet.



According to those familiar with Twitter's plans, start-up company Stripe will be involved in the payment processing end ...