Putting two fingers on your touch-pad and moving them up and down to scroll through web-pages or where ever is way better option than sticking to side scroll that most of the touchpad out there provide. You can just turn any touchpad into a two finger scroll just follow along steps mentioned in this post.
How to install Two Finger Scroll
Step 1: Go to Code.google and download the latest version.
Step 2: Unzip the file.
Step 3: Double Click on The Hand Icon twofingerscroll . Two Finger Scroll is now Activated open a new window with multiple files and folders which needs to be scrolled or open a webpage (like Facebook, Google Search) and slide two finger on your touchpad in top to bottom motion to scroll down and bottom to up motion to scroll up.
Step 4: Step 3 is enough to get Two finger scroll work but to launch it every time you login to your system you need to Add the Program To Startup. Create and shortcut of the hand icon (right click select “Create a Shortcut” and copy and paste it in your startup folder) Goto-> Start->Type(Startup)->Inside Startup Folder Paste the shortcut Icon
As an alternate you can also use Synaptic’s touchpad driver that provides additional gesture controls for your touchpad like zoom-in zoom-out, infinite-scroll and much more.