Add punctuation: Its clear then in my opinion that Higman and Vostre have taken an existing series of images and added these Latin bon mots from Marchants book
A: It's clear then (in my opinion) that Higman and Vostre have taken an existing series of images and added these Latin bon mots from Marchant's book.

Add punctuation: Latest update 8 March 2016 0531
A: Latest update : 8 March 2016 05:31

Add punctuation: We may use the information to improve our products and service
A:
We may use the information to improve our products and service.