Pay particular attention to the jockey wheels (these are small wheels in the chain cage of the rear mech that guide the chain round the sprockets) because they pick up hard-packed dirt from the chain.

BBC: Sport

Pattern-based analytics solutions are already being leveraged by some companies, giving them a much-needed competitive advantage in a high-risk environment by providing insights into customer-buying patterns to guide the product offering, supply chain planning and execution.

FORBES: The Big Value In Big Data: Seeing Customer Buying Patterns

Two weeks ago, Safeway began training seafood-counter employees to answer customers' sustainability questions, and the company is designing signs based on the Monterey Bay Aquarium's Seafood Watch guide explaining which fish are best and why, says Phil Gibson, the chain's group director of seafood.

WSJ: Guidelines for Eating Sustainable Seafood