Spotify is a popular music service on the Internet, especially in Europe. Unlike other music services Spotify is totally legal. Originally Spotify is a Swedish company and has licensing agreements with various music companies and record labels such as Sony, EMI, Warner and Universal. The revenues are generated by broadcasting commercials. If you pay $10 a month, you have some extra features such as stop the advertising and listening to your playlists without an Internet connection. Read more »

WeTransfer allows to send large files on an easy way with a size limit of 2 GB and you can send up to 20 recipients at once. No need to register and no need to remember your credentials. When you want to send large files it happen many times there is a mailbox limit of the recipient. Most of the time there is a maximum of 25 MB, and some internet providers allows only a few MBs. Sending .exe files fails too for the fear of viruses. Especially for those kind of files is the WeTransfer service very useful.
DNS or Domain Name Service provides the translation of an Internet address that we usually enter in the browser, for example http://www.lejinternetplaza.com to an IP address in this case 174.36.86.130. You can compare it with a telephone number that you use to connect so someone. DNS translates a number into a word because people can remember easier a name instead of numbers.
Dropbox is a free program that allows to share photos, videos and documents between different computers. The Dropbox folder contains your files which will be synchronized between multiple computers, and the files you customized in the office are also visible on the computer at home. 
The most effective and common way to store your work is using your own computer, but those files and programs are only available on the computer you stored them.
Wise Registry Cleaner Free is specialized to clean the Windows registry, it removes unnecessary registry keys. You can also backup and defrag the registry, which also would gain speed.