Netexl.com uses "cookies", which are small text files placed on your hard disk by a web server. Cookies contain text that can be read by a web server in the domain that issued the cookie to you. That text often consists of a string of numbers and letters that uniquely identifies your computer, but may contain other information as well.
Netexl.com uses Google Adsense for displaying ads.
Google's use of advertising cookies enables it and its partners to serve ads to your users based on their visit to your sites and/or other sites on the Internet.
Netexl.com uses Google Analytics which is an analysis service provided by Google Inc. This is mainly used to collect site usage data and prepare reports on user activities and other bahaviours. Google may use the data to contextualize and personalize the ads of its own advertising network.