CLEAN: Algeria the foucs of this year's book fair in Algiers

The video covers a range of topics including Lucilla and photography, counter revenue strategies, and a rescue mission. It also touches on controversial subjects, event attendance, and a zombie theme. The discussion extends to technology, vector calculus, and concludes with a gravito tour.

Summarize the statement regarding the zombie.

What is the significance of the phrase 'continuing on our vector calculus'?