Could also be called TwitTours,TwitTourism is the curious phenomenon whereby Twitter enthusiasts seek real-time travel tips and suggestions while on the road. In some cases they are genuinely seeking guidance or advice; in other cases, they are looking to "advertise" their travels. Whatever the motivation, TwitTourism is quite common on Twitter these days.
Weightwatchmen: These are the folks who believe Twitter’s potential
for peer pressure might have motivational value for losing weight or achieving
some other major goal. And so he or she reports results in real time – e.g.
“Just swam 20 laps.” Niccolo points to uber-early adopter Jason Calcanis (http://twitter.com/JasonCalacanis)
who now posts photo to Twitter of himself on the treadmill. Niccola has
doubts about this tactic.