Yes, back on topic.
Now let's get some facts on this:
IF the meteroid (it's called "2004 MN4" btw) would hit the earth in 2029, it would probably hit us with roughly 15 km/s (54000 km/h or 33554 mph). And, according to NASA, this would be equivalent to 1480 megatons of TNT, which is 114,000 times the energy of the Hiroshima bomb !
Althouh the effects of such an impact would vary, depending on the location of impact and the angle, it would destroy an area of thousands of square kilometers but wouldn't cause an impact winter or any long lasting, global effects.
And in the end, the estimated probability of hitting the earth is just 0.004 to 2.4 percent.
Let's keep our fingers crossed and enjoy our lives as long as we can