While Twitter is primarily a text-based social network, more recently there has been an increased importance placed on images and videos. Just as tweets are limited to a certain number of characters, videos have -- until today -- been limited to 30 seconds in length. Now Twitter is embracing video in a big way, and today increases the maximum length to 140 seconds -- continuing the love affair with the number 140. The company says that the number of video posted to Twitter has increased by 50 percent since the beginning of the year. This is an astonishing increase in… [Continue Reading]