Camtasia has been the standard for screen recording for many years. In case you don’t know Camtasia is a tool used my many Internet Marketers and other fields to create screen playbacks and voice overs. Just set up what you want to record, such as a demo or presentation, record , edit, and distribute. It gained in popularity  by marketing; giving a free trial of the fully working software to show ease of use. What has improved vastly of initial releases in this version is the editing capabilitites and the recording handling. Older versions could slow down your system when recording video. This one is better. Also there are many new editing features such as being able to drag and drop directly in the recording canvas and add in hyperlinks, great fro marketers on YouTube. 

Take a look below at the features.

Review: Camtasia Studio 8 raises the bar on interactive video creation

“If you watch a YouTube video explaining how to edit in Photoshop, write in Word, or do anything else in a program, that video was very likely created with Camtasia Record, the original core function of Camtasia Studio. Capturing and showing screen …”
http://www.pcworld.com/article/2025498/review-camtasia-studio-8-raises-the-bar-on-interactive-video-creation.html

 The article above gives a detailed review of al the new features. Check it out.