Which of the following options define the concept of a "tipping point":

A$.$ A product reaches its tipping point when it earns strong network effects.

B$.$ The fraction of potential users that if they adopt the product, the value of the product exceeds the product's price for all potential users, tipping the market towards the full demand equilibrium.

C$.$ It refers to a situation when a product's direct network effects of exceeds its indirect network effects.

D$.$ The fraction of potential users that if they adopt the product, the value of the product exceeds the product's price for the majority of potential users, tipping the market towards the high demand equilibrium.