Twitter is over capacity

Is this the first time? What does this means? From the looks of it really is in serious condition. Just imagine those tiny birds lifting up a full grown whale. Do they have a good sense of ratio and proportion?

It is not a surprise actually for twitter can most often undergone situation such as this. Traffic overload is inevitable by the way and it is the most common problems to websites. Specially, to high traffic social sites, it is a nightmare to administrators and technicians when it comes to this situation.