Screw caps were developed in the late 1960s and put into commercial use in Australia in the late 1970s. In some markets, most notably Australia and New Zealand, they have overtaken cork to become the most common way of sealing wine bottles.
Screw caps may be frowned upon by some people, but it’s not a bad idea to embrace change. They prevent a wine from oxidizing and eliminate the risk of cork taint. Screw caps, you may have gathered, are also much easier to open. Consumer support would suggest that people are starting to come around to the idea of throwing out their corkscrews, but those days are still a ways off. Many appellations (wine producing regions) ban the use of screw caps outright.