Table 1.

Maximum and minimum radius of gyration (r_g) of tweets during an average day for eight major metropolitan areas in kilometres. The difference of their magnitudes is significant (p<0.001). Other cities are in the electronic supplementary material, C.

city	max. rg	min. rg	city	max. rg	min. rg
Tokyo	23.855 ± 0.552	21.413 ± 0.612	Jakarta	13.671 ± 0.265	12.826 ± 0.270
Bangkok	15.047 ± 0.382	13.251 ± 0.401	Moscow	11.157 ± 0.183	9.516 ± 0.219
Paris	4.066 ± 0.053	3.690 ± 0.061	London	13.545 ± 0.255	11.892 ± 0.320
New York City	38.150 ± 1.119	35.572 ± 1.158	Mexico	12.977 ± 0.368	11.135 ± 0.359