Add punctuation: If there are endless streams of data how do we find the right data
A: If there are endless streams of data, how do we find the right data?"

Add punctuation: large LCD display with clear readoffs figures 95 mm high
A: large LCD display with clear read-offs, figures 9.5 mm high

Add punctuation: This product was added to our catalog on Wednesday 16 May 2012
A:
This product was added to our catalog on Wednesday 16 May, 2012.