It’s generally thought that during the early days of the Internet, one of the biggest hurdles to people buying things online was the absence of a secure method for doing so. Some websites tried to accept credit card information directly, but from a buyer’s perspective this was fraught with uncertainty and insecurity (and it can be cost-prohibitive for small websites to comply with all the laws surrounding the protection of credit card information).
Google’s free Analytics service has long been one of the most widely used analytics tools for website owners. Google Analytics provides powerful tools for webmasters and website managers to discover how their visitors are coming to their site, what pages they’re viewing while they’re on the site, and how long they’re spending on each page. Google Analytics also integrates with Google’s AdWords program, so that a web manager can integrate their advertising program goals into their website, and so that they can track and measure the effectiveness of their various advertising campaigns.
It seems like new programming languages are coming out all the time. Some of these languages are highly specialized and difficult to learn – meaning that they are likely to be of interest only to a very small set of programmers. But when an industry heavyweight like Google puts out a new language, and that language is meant to compete with (or perhaps even eventually replace) one of the most well-established client side programming languages out there, it's worth taking at least a look to see what that new language is all about.