There are many tools that you can use to create videos, by default Adobe has rule the playing field, so more than likely NowThis is combing Adobe AfterEffects and Adobe Premiere.
Newer tools have also entered the playing felid that makes it much easier for people use that are cloud-based.
One of those tools is called Blurbiz (Social video creation at the speed of light).
Without further ado. here is how you can make your own videos like NowThis.
You can also adjust the video timeline, cut out the parts that you don’t need.
you can preview your video.
You can also download the video by clicking the download button and you can upload it anywhere you like like I did and you can see the final video below.
How to make videos longer, there are few easy way you can do that using Blurbiz which you can use for Instagram.
Here is list of video meme clips that you can use to create your own memes.