Portland startup Chirpify expanded its service of enabling financial transactions from Twitter to Instagram.
Web surfers must first link their Instagram and PayPal accounts; once that's done, they can make a purchase or donation by typing "buy" or "donate."
Chirpify raised $1.3 million last spring to help expand its service, which has become popular among technophiles and music fans. Independent artists and even some big-name acts -- including Green Day -- offer song and album downloads via Twitter, using Chirpify's technology.
Read more at OregonLive.com.