1 Canker sores are small, painful ulcers on the inside of the mouth, tongue, lips, or throat.  Symptoms of canker sores include small, painful, crater-like ulcers.
Facebook is the biggest social network on the web, both in terms of name recognition and total number of users. With nearly 1.8 billion active users, Facebook is a great medium for connecting people from all over the world with your business. And the site is not only the biggest network, but it's also arguably the most versatile one.
A Short Intro. Sina Weibo (æ°æµªå¾®å), often simply called âWeiboâ (pronounce as way-bo), is one of the biggest social media platforms of China. âWeiboâ literally means âmicro-blogâ. Weibo is often explained as the Chinese equivalent to Twitter or Facebook, two services that are blocked in mainland China.