If you lived in a big city in the 90s, you're probably one of the unlucky people who was kept up at night on a regular basis by errant car alarms. But today, those in that same big city hear alarms far less often than you did. So where did car alarms go? How have they evolved, and did we ever need them to begin with?

Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe

Share:
More In Business
Many Lab-Grown Diamonds Have Cloudy Sustainability Claims
Lab-created diamonds come with sparkling claims: that they are ethically made by machines running on renewable energy. But many don't live up to these claims or don't respond to questions about their electricity sources, and lab diamonds require a lot of electricity.
Load More