WhatsApp finally comes to PC and Mac
Instant messaging between desktops and phones hasn't exactly taken off despite the ubiquity of both. There is Skype. Microsoft has done a good job of making it available everywhere, but most instant messengers are limited to either the PC or mobile phones, and PCs do a surprisingly bad job of supporting SMS texting.Well, things took a step forward now that WhatsApp, a popular smartphone instant messenger, has finally launched on PC and Mac. The smartphone app, which Facebook bought for an incredible $19 billion last year, has over a billion users worldwide.Up to now, if you didn't have it on your smartphone, you had to use the Web site, WhatsApp Web. The desktop app, like the Web site and smartphone app, is designed as "an extension of your phone," as the company put it in announcing the app, synchronizing your conversations and messages between the two devices.To read this article in full or to leave a comment, please click here

This follows a stock roller-coaster ride.
