Answer:
I am the second L in LOL.
I have all the knowledge you have. But I am so small that I can fit into your hands. What am I?
I can run but not walk. Wherever I go, thought follows close behind. What am I?
I get wet when drying. I get dirty when wiping.
I am a beverage named after a stick.
Within, I clean all that is bad and is old. I make juice that’s the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.