Google's parent company, Alphabet, has revealed it banked $3.0 billion by extending the working life of its hardware. Alphabet first decided to extend the life of its kit in 2021, when it stretched the life of servers from three to four years, and networking kit from four to five years. In 2023 it decided both types of hardware could run for six years before replacement. In its full year results, posted Monday, Alphabet revealed the payoff from that decision: in the final quarter of 2023, it red...