The financial services industry is always coming up with ways to make spending easier for consumers. The latest development by today’s tech entrepreneurs means that a person no longer needs their wallet to make a purchase. An impulse buy is as simple as writing #buy using your Twitter account. Backers of the technology, including AMEX, tout this as a breakthrough for consumers but what are the potential downsides and dangers? Melody Warnick’s article found here gives some background of potential positives and negatives.