Answer:
a. do not require a live presence yet provide a friendly human face
Explanation:
Podcasting is used in sending audio and video messages. They are now being employed by businesses to disseminate information to the public.
- Most podcasts are usually recorded and are not live.
- They present the voice in case of audio or the face of the podcaster in video.
- They do not require a live presence.
- Businesses can share new information about their products and services they render this way.
- Podcasts can be used over and over again in as much as the information they convey is still relevant.