An IgnitionOne report, focused on the US market, shows that mobile devices now account for 18 percent of total paid-search budgets. However in Q4 tablet metrics grew dramatically faster than those for smartphones. Right now IgnitionOne says CPCs are lower on tablets, while impressions and clicks are much higher for tablets than smartphones.
Comparing Mobile Search Results Side By Side - Here is a picture that compares site indexing for m.cmt.com (with no geo-data) on a desktop, smartphone and WAP phone. What you will notice is that the desktop and smartphone results are identical, but the WAP results have different pages included, with a different order, and even a different SERP template.
Google Drops "Translated Foreign Pages" Search Option Due To Lack Of Use
Google has quietly dropped the “Translated Foreign Pages” search filter from the Google search options menu. http://searchengineland.com/google-drops-translated-foreign-pages-search-option-due-to-lack-of-use-160157