Today, nearly 45 percent of trading is done electronically, according to Coalition, a U.K. firm that tracks the industry. In addition to back-office clerical workers, on Wall Street machines are replacing a lot of highly paid people, too. Source: As Goldman Embraces Automation, Even the Masters of the Universe Are Threatened

A search engine can now respond to users with questions of its own. For example, a search for "truffles" on Amazon returns results, but also suggests "chocolate truffles" and "truffle oil" as alternative searches. Search engines can also interrupt users mid-query with suggestions and even instant answers (e.g., Google Instant). The ideal search engine is a conversational partner that knows [...]

https://www.youtube.com/watch?v=OmJ-4B-mS-Y The Map of mathematics.  A 10 minute review of the basics just to renew your appreciation for how it can be used to solve problems.