Complex sentence: About 47% of adults go online with a laptop, up from 39% as of April 2009, and 40% of adults use a mobile phone, up from 32% in 2009.
Split into simpler sentences: About 47% of adults go online with a laptop, up from 39% as of April 2009. Also, 40% of adults use a mobile phone, up from 32% in 2009.