Lightstreamer is useful for any application that requires the efficient delivery of real-time data through the Internet. Examples of possible applications include: financial market data distribution (stock quotes, news); online betting and gaming; live bids for e-auctions; Web-based monitoring consoles; online communities with live user interaction (messaging, chat, presence). The Web 2.0 requires more and more applications to be highly interactive and based on real-time data shared across the users and Lightstreamer is a perfect enabler.