| Research Material | All | Male | Female | USA | Europe | 10-18 | 19-25 | 26-50 | 50+ | Novice | Intermediate | Expert |
| A few times | 1694.00 23.47% |
1083.00 23.98% |
599.00 22.95% |
1454.00 24.25% |
81.00 16.60% |
80.00 22.16% |
296.00 23.38% |
977.00 23.37% |
272.00 25.14% |
657.00 27.76% |
637.00 23.47% |
388.00 18.96% |
| Don't know | 188.00 2.60% |
129.00 2.86% |
56.00 2.15% |
163.00 2.72% |
9.00 1.84% |
9.00 2.49% |
32.00 2.53% |
94.00 2.25% |
42.00 3.88% |
99.00 4.18% |
58.00 2.14% |
28.00 1.37% |
| Never | 992.00 13.74% |
577.00 12.77% |
402.00 15.40% |
875.00 14.60% |
32.00 6.56% |
33.00 9.14% |
147.00 11.61% |
583.00 13.94% |
184.00 17.01% |
559.00 23.62% |
302.00 11.13% |
118.00 5.77% |
| Once per day | 298.00 4.13% |
198.00 4.38% |
97.00 3.72% |
231.00 3.85% |
30.00 6.15% |
15.00 4.16% |
53.00 4.19% |
180.00 4.31% |
39.00 3.60% |
66.00 2.79% |
117.00 4.31% |
112.00 5.47% |
| Once per month | 387.00 5.36% |
245.00 5.42% |
137.00 5.25% |
331.00 5.52% |
26.00 5.33% |
37.00 10.25% |
81.00 6.40% |
209.00 5.00% |
48.00 4.44% |
94.00 3.97% |
172.00 6.34% |
116.00 5.67% |
| Once per week | 390.00 5.40% |
253.00 5.60% |
132.00 5.06% |
314.00 5.24% |
35.00 7.17% |
30.00 8.31% |
94.00 7.42% |
221.00 5.29% |
30.00 2.77% |
99.00 4.18% |
151.00 5.56% |
135.00 6.60% |
| Several times per day | 733.00 10.15% |
455.00 10.07% |
272.00 10.42% |
595.00 9.92% |
62.00 12.70% |
27.00 7.48% |
114.00 9.00% |
447.00 10.69% |
100.00 9.24% |
151.00 6.38% |
255.00 9.40% |
321.00 15.69% |
| Several times per month | 1175.00 16.28% |
748.00 16.56% |
405.00 15.52% |
946.00 15.78% |
102.00 20.90% |
70.00 19.39% |
220.00 17.38% |
669.00 16.00% |
164.00 15.16% |
299.00 12.63% |
483.00 17.80% |
371.00 18.13% |
| Several times per week | 1362.00 18.87% |
829.00 18.35% |
510.00 19.54% |
1086.00 18.12% |
111.00 22.75% |
60.00 16.62% |
229.00 18.09% |
801.00 19.16% |
203.00 18.76% |
343.00 14.49% |
539.00 19.86% |
457.00 22.34% |
GVU's WWW Surveying Team
Graphics, Visualization, & Usability Center
College of Computing
Georgia Institute of Technology
Atlanta, GA 30332-0280