If you don't insists on earning
online, then I suggest getting a job that you
like, then use the salary to buy BTC.
Key here is to find something
you like.
It's not very useful to ask others because a task that person A like doing a lot could be extremely boring for person B.
What do you say? Isn't earning bitcoin through the likes of signature campaigns, tweets and posts really boring? I really think so, at least its not an attractive or appealing way to earn bitcoin or any money for that matter.
What do you think? What are the most interesting and appealing ways to earn Bitcoin Online?