one highly publicized form of social engineering is called post texting, which is a method of obtaining personal information under false pretenses.

This is "False".

It is actually called "pretexting". Pretexting is a type of social engineering in which an individual deceives acquire personal information which are privileged. Pretexting is a false intention and regularly includes a trick where the liar puts on a show to require data keeping in mind the end goal to affirm the personality of the individual he is conversing with.