Presearch search engine
Presearch is a decentralised search engine.It gives away free presearch token when you use presearch as your search engine.This version enables you to collect free token when you search and customise the search resources.Addition to that It provide great features who want to promote Thier work through presearch.and it gives away 25 free token if you joined from invitation.so if you want message me I'll provide my referral link so you get 25 free token 
You have a minor misspelling in the following sentence:
It should be their instead of thier.