Never mind what PayPal has just unveiled today -- look at these mobile phone credit card readers from China instead. If you ask Square CEO Jack Dorsey, we're sure he'll have to a thing or two to say about these familiar-looking dongles (and not to mention the various weibo microblogging services that were inspired by Jack's Twitter platform). Coincidentally, all three of these pictures above showed up on Sina Weibo earlier today, albeit from different accounts with very little detail in each post -- we'd like to think they're trying to make a point one after the
