t1 := time.Now()
var s []string
for x:=0;x<10000000;x++ {
	s = append(s, "HELLO")
}
fmt.Println(time.Now().Sub(t1))    // AVG 700ms

s = []string{}
t1 = time.Now()
s2 := make([]string, 0, 10000000)
for x:=0;x<10000000;x++ {
	s2 = append(s2, "HELLO")
}
fmt.Println(time.Now().Sub(t1))   // AVG 150ms