Use them ruthlessly. They are tools for efficiency. But remember—if you aren't paying for the product, you are the product being aggregated and sold.
They don't make the planes fly, the movies, or the houses. They don't create the original content or products. So, why are they worth billions of dollars? aggregator sites
Remember the “good old days” of the internet? To book a flight, you had to visit 14 different airline websites. To find a place to eat, you relied on word of mouth. To read the news, you had to manually click through The NYT, BBC, and your local paper every single morning. Use them ruthlessly