How to make video calls on Facebook

Facebook is introduced a new features on its chat windows i.e. facebook video calling.
To make video calls on Facebook you need webcam-equipped computer and then select a friend you want to video chat with. In the chat window that pops up, clicking on a small blue video icon brings up the video chat feature and the first time you will be prompted to download and run a 482KB .exe file. Once the setup downloads and installs the necessary files, you are ready for a face-to-face chat. Currently there is no option to video chat more than one person. That feature is available on Google Plus.
May be you faces an issue "The software that powers video calling is temporarily unavailable. Please try again later."
Some other issues with Facebook video calling are quality of the video, that you have pointed out is better on Skype.

How to get invitation from Google plus

Google plus is a social networking sites have evolved to a great extent and are a good source of information which can help in personalizing the web experience (Google always pressed for the web experience to be person oriented). You need to go to  http://plus.google.com and see if it gives you the option of joining Google plus or wait for some more time. You need to just Google account for this. Trust me within very few days it will be open to all the users.  If you need more info please leave a comment.

New Facebook App for the Blackberry playbook and Microsoft Windows Live services

BlackBerry manufacturer RIM has launched at the World Fair Blackberry many new features for its mobile devices. Along with new apps for Facebook and Microsoft's future video-chat is integrated search engine Bing.
Research in Motion (RIM) has on the Blackberry WorldFrom the 3rd to 5 May at the Orlando World Center Marriott in the U.S. state of Florida is taking place, introduced many innovations. Along with the announcement of a new multi-platform Blackberry Enterprise Solution for smart phones and tablets, the company more control and flexibility in management terms Device Management and Security to offer, are new Apps and strategic Partnerships  on the agenda.