Well, it’s Skype, No Doubt!
Skype easily combines instant talking per video, writing and sharing data. This is why Skype deserves the No Doubt title!
Find it here: skype.com
Well, it’s Adobes Photoshop, No Doubt!
Takes a little bit of practice but soon unveils that there is no reason to use another tool to tune up your pictures!
Find it here: http://www.adobe.com/products/photoshop.html
(This Post is in reply to Francis, thx for asking and erasing peoples doubts!)