Live streaming to a worldwide audience has both positives and negatives, which are as follows:

Positives:

1) Increased reach: Live streaming to a worldwide audience allows businesses to reach a larger audience than what would be possible with in-person events. This increases brand awareness and can lead to a larger customer base.

2) Reduced costs: Live streaming eliminates the need for businesses to spend money on venues, travel, and other associated costs of in-person events. This can result in significant cost savings.

3) Real-time engagement: Live streaming allows businesses to engage with their audience in real-time, creating a sense of community and building brand loyalty.

4) Flexibility: Live streaming provides flexibility for businesses to conduct events at any time, from any location, making it easier for attendees to participate from different parts of the world.

5) Personal engagement: 'People buy from people'. The viewing clients or potential customers will warm to you and feel they understand you and your business better. Leaving a positive impression for future discussions.

Negatives:

1) Technical issues: Live streaming can be affected by technical issues, such as poor internet connectivity, buffering, and delays, which can negatively impact the user experience.

2) Time zone differences: Live streaming to a worldwide audience can be challenging due to time zone differences. Businesses need to consider the time zones of their audience to ensure that they reach them at a convenient time.

3) Cultural differences: Businesses need to be aware of cultural differences when live streaming to a worldwide audience. They need to be careful not to offend anyone with their content or language.

4) Fear of public speaking: There is a fear that one needs to be a slick TV trained professional, but this works against you and can leavers feeling distant. Be honest, be open and make errors, it will endear you considerably more. 

In conclusion, live streaming to a worldwide audience has its positives and negatives. While it provides businesses with increased reach, flexibility, and cost savings, it also has technical and cultural challenges to consider. To ensure success, businesses need to weigh the pros and cons of live streaming and plan their events accordingly.