How to use "ebbed" in a sentence

With that attitude plus a few money-management skills, they were able to hang on longer than most slot players who plunged at the dollar machines after getting nowhere with quarters, and because of their patience and perseverance, the duchesses won more jackpots than did the tide of tourists that ebbed and flowed around them

Computer-controlled designs ebbed and flowed, a riotous and mad - but curiously beautiful - excess of energy consumption.