Po.st users who click on the green WhatsApp share button will see the WhatsApp application open, after which they can choose which users to share the message with. Users are asked one last time to confirm the message targets, in order to avoid sending messages to the wrong friends or contacts.
More details were offered in a blog post from Po.st:
Since Po.st is a global service, the worldwide popularity and use of WhatsApp aligns with our purpose to help users everywhere share content wherever they may be. We immediately realized the potential of how this partnership could change personal peer-to-peer and group sharing for WhatsApp users in the U.S.
WhatsApp represents a huge opportunity to allow your audience to share your content on one of the most popular communication services out there, capturing information about this audience and their private sharing activity. Publishers interested in tapping into larger, international markets and staying ahead of the competition need to be able to integrate WhatsApp sharing into their content now to take advantage of the opportunities provided as it continues to grow.
Readers: Do you expect WhatsApp share buttons to start popping up around the Web?