Weekend Twitterers have been reporting messages not going out to the world. The company points to some maintenance work as the root cause, and says it's working on a fix.

The idea behind this sort of late-stage fund--this one would have input from Al Gore--is to help start-ups survive the transition from tech development to commercial sales.

A guitar made of thousands of pieces of Guelph made its debut at the Hillside Festival yesterday. "The instrument is made entirely of pieces of the university and city's history," creator Doug Larson said. "It's extremely local."

If the left is ever going to get serious about winning elections, we need to stop insisting on 100% ideological purity from our candidates. News flash: politics is about assembling winning coalitions.

For options traders knowing the "Greeks" of your options position is the most important. In Part one of this two-part series, professional trader John Netto demonstrates how to construct a trade using the prominent Gamma option trading, a strategy used