iOS 8 makes typing easier by suggesting contextually appropriate words to complete your sentences. It even recognizes to whom you’re typing and whether you’re in Mail or Messages. Because your tone in an email may be different from your tone in a message.
The advertising on Facebook discourages me from spending any time there because it gives me a window into the kinds of things people think will work for the Facebook audience. It makes me feel separate from the people on Facebook because there are things I find unacceptable that other people clearly just don't mind.