ADDENDUM: RAW DATA SUMMARY

ADDENDUM: RAW DATA SUMMARY The
following is a collection of graphs that summarize the raw data underlying Edelman’s Capitol Tweets study. All of the graphs in this addendum represent “per-handle” averages; that is, the data have been normalized on a per-handle basis to illustrate the performance of individuals within cohorts of different sizes. Twitter data for this study, including all tweets, timestamps, follower counts and any associated metadata were provided by Simply Measured. Please see the full Capitol Tweets study for in-depth analysis of these data points, including historical context, Twitter Best Practices for Members of Congress, and an expanded methodology.MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 2

CONGRESSIONAL TWITTER HANDLES BY DEMOGRAPHIC
By Party and Chamber By Region400 367 160 144350300 260 140 121250 194 217 120 106200 150150 89 100 83100 44 43 80 50 0 60 40 20 0 Northeast Midwest West South By Age By Tenure (in Years)160 152 250 136140 203 200120100 88 1508060 49 100 80 7140 47 24 50 2620 7 10 10 8 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 3

AVERAGE DAILY FOLLOWER GROWTH By
Party and Chamber By Region20 17.8 18 16.218 15.3 14.716 1614 11.1 11.6 10.5 11.012 9.8 1410 12 10.7 11.3 8 10.1 6 10 4 2 8 0 6 4 2 0 Northeast Midwest West South By Age By Tenure (in Years)30 28.5 35 29.525 30 2520 20 17.415 12.7 15 13.2 9.4 9.5 8.9 10.110 8.7 9.1 10 7.2 5.1 5.7 5 5 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 4

MENTIONS, REPLIES, AND RETWEETS OF
MEMBERS By Party and Chamber By Region7,000 4,5006,000 4,0005,000 3,500 4,147 3,0004,000 4,165 2,500 2,9653,000 1,675 3,295 2,547 2,835 2,0002,000 2,571 2,295 1,976 1,609 1,734 1,5001,000 1,114 764 763 460 380 400 445 514 351 1,000 174 326 225 299 360 461 1,297 0 119 711 443 500 393 370 339 208 209 0 Northeast Midwest West SouthMARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 5

MENTIONS, REPLIES, AND RETWEETS OF
MEMBERS By Age By Tenure (in Years)9,000 9,0008,000 8,0007,000 7,0006,000 4,792 6,000 5,6595,000 5,0004,000 4,000 4,0523,000 3,0002,000 2,532 2,883 2,000 1,898 2,209 1,990 2,223 1,624 1,768 1,583 1,5311,000 1,000 723 1,707 1,215 872 538 740 377 304 854 656 404 165 704 358 347 565 176 86 0 72 289 188 276 93 0 203 187 76 41 188 89 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 6

MENTIONS, REPLIES, AND RETWEETS BY
HIGHLY-FOLLOWED USERS By Party and Chamber By Region120 80100 70 6080 91 5060 86 60 40 57 6540 51 44 51 39 41 3020 32 23 18 17 20 14 13 9 7 4 1.2 1.0 1.7 3 1.2 1.2 1.5 0 0.8 0.7 10 10 12 12 9 0 1.0 0.9 1.7 1.0 Northeast Midwest West SouthMARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 7

MENTIONS, REPLIES, AND RETWEETS BY
HIGHLY-FOLLOWED USERS By Age By Tenure (in Years)140 140120 120100 10080 80 94 9060 60 88 7040 40 42 39 51 37 3620 32 20 31 18 23 22 24 21 14 13 12 9 9 7 4 6 2 3 5 4 0 0.5 1.2 1.2 0.7 2.3 0.9 0 1.1 0.9 1.4 0.2 2.9 0.3 1.0 1.0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 8

TWEETS POSTED BY MEMBERS By
Party and Chamber By Region160 140140 15 17 20 21 120 17 5 21 20 6 15120 13 12 19 13 4 9 4 15 100 11100 16 11 17 880 9 8060 126 122 108 106 110 94 6040 85 78 102 103 97 9720 40 0 20 0 Northeast Midwest West SouthMARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 9

TWEETS POSTED BY MEMBERS By
Age By Tenure (in Years)180 200160 180 23 160 47140 21 16 140 13120 12 32 21 5 14 6 120 20 15100 5 19 16 11 100 6 6 4 1480 5 80 15 12 3 260 115 116 131 60 11 106 100 111 113 2 86 98 9640 74 40 68 71 5620 20 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 10

POSTED TWEETS – ACROSS THE
AISLE By Party and Chamber By Region6 3.5 3.2 4.85 4.4 4.2 3.04 2.6 2.53 2.5 2.6 2.5 2.2 2.1 2.2 2.12 2.01 1.50 1.0 0.5 0.0 Northeast Midwest West South By Age By Tenure (in Years)4.0 3.6 6 5.13.5 3.0 53.0 42.5 2.2 3.1 2.92.0 3 1.4 2.1 2.21.5 1.3 2 1.51.0 0.7 0.9 10.5 0.10.0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 11

POSTED TWEETS – HASHTAGS USED
By Party and Chamber By Region90 75 76 79 76 10080 88 66 9070 54 5660 48 8050 70 64 6440 5730 6020 5010 0 40 30 20 10 0 Northeast Midwest West South By Age By Tenure (in Years)90 85 120 79 10980 72 70 10070 76 7660 80 49 6250 56 60 4740 32 45 3830 4020 2010 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 12

POSTED TWEETS CONTAINING LINKS By
Party and Chamber By Region70 70 64 63 64 6160 60 58 54 55 55 4950 50 42 50 4040 403020 30 10.2 9.9 10.1 10.610 8.5 7.5 6.4 6.1 20 0 9.9 9.3 10 7.1 7.8 0 Northeast Midwest West SouthMARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 13

POSTED TWEETS CONTAINING LINKS By
Age By Tenure (in Years)70 90 65 61 80 60 8060 53 52 7050 62 60 42 55 5340 50 47 4230 40 32 30 2720 20 10.4 11.0 9.9 13.4 9.3 11.810 9.8 6.3 5.3 10 8.0 7.9 6.9 4.3 1.8 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 14

POSTED TWEETS MENTIONING SPECIFIC LEGISLATION
By Party and Chamber By Region6 5.0 4.6 4.6 4.95 4.54 3.5 4.0 2.9 3.53 3.5 1.7 1.4 3.02 1.2 0.5 2.5 2.3 2.210 2.0 1.5 1.0 0.5 0.0 Northeast Midwest West South By Age By Tenure (in Years)16 14.8 6 5.114 512 410 8 3 2.3 6 2.0 4.1 2 1.4 1.5 1.3 1.3 4 2.4 2.0 0.8 1.3 1 2 0.9 0 0 30 - 39 40 - 49 50 - 59 60 - 69 70 - 79 80 + 1-5 6 - 10 11 - 15 16 - 20 21 - 25 26 - 30 31 - 35 36 +MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 15

@EDELMANDC 1875 EYE STREET, NW
SUITE 900 WASHINGTON, DC 20006 TEL (202) 371-0200 | FAX (202) 371-2858 WASHINGTON.DC@EDELMAN.COM WWW.EDELMAN.COM CAPITOL TWEETS WAS AUTHORED BY DAVID ALMACY (@ALMACY) KURT HAUPTMAN (@NINJAKURTLE) MARCIA NEWBERT (@MNEWBERT) DESIGN BY (@WERRUTH) DATA PROVIDED BY (@SIMPLYMEASURED)MARCH 21, 2012 CAPITOL TWEETS: YEAS AND NAYS OF THE CONGRESSIONAL TWITTERVERSE | ADDENDUM 16