How to Shake Someone Who's Tailing You

Interesting article on How to Shake Someone Who's Tailing you--on foot, on buses, in cars.. What do you think? Has this happened to you? What did you do?

http://www.hopesandfears.com/hopes/city/life/215449-how-to-lose-a-tail

And How to Tell when Someone is Following you and How to Get away safely:

http://www.lifehacker.com.au/2012/11/how-to-tell-when-youre-being-followed-and-get-away-safely/