Almost all fitness tracking tools now let you share your workout through the apps or on social media sites so people can see that you just finished a workout.

CNN: Fitness tools that tap the power of your friends

There's no denying this: Tracking what you paid for each share of a stock or mutual fund--so you can calculate your taxable gain when you sell--is so tedious that a lot of folks just guess.

FORBES: Magazine Article

Liberty Media this morning announced that it has decided to eliminate its tracking stock structure and will convert each share of Liberty Starz common stock into 0.88129 shares of Liberty Capital.

FORBES: Liberty Media Killing Tracking Stocks; Merging With Starz

They may use tracking stocks defensively, to protect their original share prices from the impact of risky new ventures, rather than to chase the money that flows from the high market valuations of dot.com ventures.

ECONOMIST: Shares

The original tracking stock was an "E" class of share that General Motors issued in 1984 to take over Electronic Data Systems.

FORBES: Trick or Track?

Volunteer opportunities and tracking solutions need to be accessible to everyone and so do ways to share those opportunities and experiences with other potential volunteers.

FORBES: Navigating Social Innovation: Road Trip to the National Conference on Volunteering

That said, I believe that tracking buybacks to see which ones make sense and which companies are likely to reduce share count can lead to profitable investing.

FORBES: Buying In On Buybacks