Depending who you ask, the 140 character limit imposed on Twitter is a good thing. If you are a blogger you can put the title of your post up with a link. If you are a copywriter you like the challenge of saying everything you have to say in one tweet. It helps you hone your craft.
If you are not trying to market something and using Twitter to be social, the 140 character limit can be a pain sometimes. Tweetdeck has added a feature called Deck.ly. The long and the sort of it (pun intended), is you can create longer tweets through Tweetdeck.
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When you sign up for a social network, I am sure that it will ask you to provide your email address and password so as to find out who in your contact list is also available in the network. I’m not sure about you, but I am always a little nervous when I let an app dig through my contacts and personal information.
There are times when it is just quicker, easier or even necessary to use a graphical application, and there are also times when you might be away from the computer that has your crucial applications installed. Whatever the scenario, Linux and other operating systems running an X server have the ability to forward a graphical application through SSH. Following a few simple steps, you can run a remote application in all of its full graphical glory. 
These days, broadband internet is just about everywhere. Hospitals, restaurants, hotels, and of course homes are all connected with these nice, fast pipes. The problem is that your internet provider likely just gives you a single connection with a single address, no matter how many people or devices plan to use that internet connection. Here, we enter the world of home networking.