I'm not religious about lent, but sometimes I like to do something. I had toyed with different ideas this year but not settled on any. My favourite was replacing my "smart" phone with a normal one, like a Nokia 8210 or similar for the time, to see how I would do without this appendage. I decided not to bother.
However, I stumbled on www.40acts.org.uk which is a website whose tagline is "Do Lent Generously". Basically you sign up with your email (or facebook) and they post details of an act of generosity to attempt to perform each day. Something to make you think.
You can see the details of each day at http://www.40acts.org.uk/blog but it only shows up to the present day. You have to wait in eager anticipation for the next day.
Today is day 7, and so far for me it has been thought provoking, but not very practical. Maybe that'll come. I think I'm the kind of person who isn't particularly practical by nature, but hope to work on that. We'll see how it goes :)