To those who care about punctuation, a sentence such as "Thank God its Friday" (without the apostrophe) rouses feelings not only of despair but of violence. The confusion of the possessive "its" (no apostrophe) with the contractive "it's" (with apostrophe) is an unequivocal signal of illiteracy and sets off a Pavlovian "kill" response in the average stickler.
Lynne TrussAs with email, the recipient of a texted question seems to have the option to ignore it, while nevertheless saying hello, lovely day, and so on.
Lynne TrussI hate to be treated as if I'm invisible. I get incensed when people talk across me or refuse to catch my eye in a restaurant or shop.
Lynne TrussTruly good manners are invisible: they ease the way for others, without drawing attention to themselves. It is no accident that the word "punctilious" ("attentive to formality or etiquette") comes from the same original root as punctuation.
Lynne Truss