Complex sentence: Small laptops (13.3--15.4 inch) are used for both mapping out as well as cracking the WLANs; finally for wardriving purposes only, some individuals have reverted to building their mini-tower PCs into their cars.
Split into simpler sentences: Small laptops (13.3--15.4 inch) are used for both mapping out as well as cracking the WLANs. Finally, for wardriving purposes only, some individuals have resorted to building mini-tower PCs into their cars.