As you know the social sites and communities are the new kings of the Internet. So if you are a Firefox user here are the top 20 browse social and communication extensions.

DownloadHelper: Download Web videos from hundreds of YouTube-like sites.
StumbleUpon: You know StumbleUpon.
FoxyTunes: This extension allows you to find lyrics, covers, videos, bios and […]

What is Exaflood?
From Wikipedia
Exaflood refers to the rapidly increasing torrent of data transmitted over the Internet. The amount of information people upload, download and share on the Internet is growing (due in large part to video, audio and photo applications), at an exponential rate while the capacity of the Internet, its bandwidth, is limited and […]