Nine algorithm changed the future
1. Search Engine Indexing: Finding needles in the world’s biggest haystack. Search for something on the web and you’re ‘indexing’ billions of documents and images. Not a trivial task and it needs smart algorithms to do it at all, never mind in a tiny, tiny fraction of a second.
2. PageRank: The technology that made Google one of the biggest companies in the world. Google has moved on, or at least greatly refined the algorithm(s) mentioned here. Nevertheless, the multiple algorithms that rank results when you search are very smart.
3. Public Key Cryptography: Sending secrets on a postcard, is a description of how encryption works and keeps your credit card details safe when buying stuff. Amazon, Ebay, PayPal, credit cards and the entire world of online retail would not exist without this algorithm.
source: http://www.thegeekinn.in/nine-algorithms-that-changed-the-future-the-ingenious-ideas-that-drive-todays-computers/
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