Pro Web 2.0 Mashups

How many times have you seen a web site and said, “This would be exactly what I wanted— if only . . . ” If only you could combine the statistics here with data from your company’s earnings projections. If only you could take the addresses for those restaurants and plot them on one map. How often have you entered the date of a concert into your calendar with a single click instead of retyping? How often do you wish that you could make all the different parts of your digital world—your e-mail, you