Twitter now lets anyone create video tweets up to 140-seconds-long from the previous 30-second limit. Soon, you may also begin to see longer videos on Vine, a short-form video sharing service. The six-second format will stay but it can now act as “previews” for 140-second videos, technology website Next Web reported. A new “watch more” button will surface on some Vines that extend beyond the six-second timeframe. There’s also a new Twitter iOS app called “Engage” to help you track analytics. Engage is meant for “influencers” but anyone can download and use it.