Payment startup Dwolla wants you to be able to buy things from web pages as easily as you can tweet and "Like" from them. The company has introduced a customizable "buy button" that installs a specific one-click purchase request on websites.
On the surface, the new button works like a more specific PayPal button. Developers might customize it to say "Buy Your Little League Uniform" or "Pay Rent" or "Contribute to Johny's College Fund" in contrast to PayPal's "Add to Cart," "Subscribe" and "Donate" buttons.
I, for instance, could use another cup of coffee. So I made this button...