Camcorders are mainly designed to record, store and view recorded videos. However, many high end camcorders carry many advanced features along with the basic features as well. Earlier footage captured on camcorders was stored on tapes but that has been replaced with optical drives, hard disc drives and memory cards. These can be easily extended to support bigger movies to be recorded. Now these camcorders have started becoming lighter and their picture quality being improved with each new product. Many news broadcasts, personal videos, secret photography are captured through camcorders. They don't require much room to be carried around and any unwanted pieces of videos can be easily removed. Many camcorders in the market now come with touchscreen technology. Some common formats for video recording using digital media are MPEG-1, MPEG-2 and MPEG-4.