Table 1.

Distribution of most popular links by category and interaction type.

Top 10 links	Most popular reshared with others	Most commented on	Most reacted to	Overall most popular across all interactions
E-Commerce related to breast cancer	3100 (59%)	400 (29%)	9400 (32%)	12,200 (36%)
Celebrity breast cancer information	300 (6%)	500 (36%)	8000 (28%)	8800 (26%)
Noncelebrity breast cancer information	1000 (19%)	300 (21%)	1700 (6%)	2100 (6%)
Breast cancer advocacy and charity	300 (6%)	100 (7%)	4500 (16%)	4900 (15%)
Unrelated content	600 (11%)	100 (7%)	5400 (19%)	5600 (17%)
Total of top 10 link volume	5300	1400	29,000	33,600